You have to post pictures or/and a floor plan if you expect to get any help.

Generally sofa on longest wall, LS at 90 degree angle to sofa and chair opposite corner created by sofa and love seat......end table and large simple lamp on table....try that and see what you think and post more picture...

A grouping similar to this with sofa in middle love seat on one end chair on other end all facing TV/fireplace etc with end tables and lamps.

Naples Beach Coastal Retreat Series Living Room · More Info

Or -- if there's really space -- swag a new chandelier over a 'game table' shown here, sort of:

Pacific Heights Transformations · More Info

The last photo you posted - how many feet are between back of sofa and the wall?

Houzz article to read:[https://www.houzz.com/magazine/divide-and-conquer-how-to-furnish-a-long-narrow-room-stsetivw-vs~17364503[(https://www.houzz.com/magazine/divide-and-conquer-how-to-furnish-a-long-narrow-room-stsetivw-vs~17364503)

Backless daybed - If your space is long and narrow, but not especially big, you can still get away with a single grouping. “Just add a couple of chairs with a round table between them, so you have another place to go,” says Charleston designer Alix Bragg.

In this example a table and chairs are set behind the rear sofa; more chairs augment the main seating group. A [daybed[(https://www.houzz.com/products/daybeds-prbr0-br~t_14210) takes the place of a second sofa, allowing views into the space and making the seating group seem more welcoming.

Berkeley, CA · More Info

This photo has 2 small accent chairs by window, and small table. Maybe your chandelier corner could be a place for that, or 1 comfy reading chair.

Mobile of lights. :)

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Only if long sofa won't go on the long wall - loveseat with 2 end tables like this - mirrors you like that fit well with art:

Breakfast Point Apartment · More Info

Comfortable Yet Elegant Family Room/Library · More Info

To experiment, what about posting sofa next to entry / loveseat with 2 lamps for good lighting on long wall / creamy chair near corner chandelier?

[coordinating daybed or 2 stools across from sofa]

It’s between 3 1/2 to 4 feet from wall to back of LS

Thank you so much for your ideas !!!! When coffee table and Pictures comes in I’ll post finished product. I love your ideas