I can’t figure out how to convert classic paintings into ultra-realistic photographics

I paste in the painting, and it spits out something that still has the textures of a painting. tried to use chatgpt to build the prompt, but nano banana (latest version as of today), still can't seem to quite do it.

Any suggestions? Here is a sample input image attached.

Also, here is the cgpt prompt that I used for Banana:

“Convert this 18th-century battle painting into an ultra-real historical war photograph. Keep the same composition, troop positions, and action: Continental Army soldiers in tricorn hats operating a cannon, cavalry officers on horseback, infantry in formation, smoke drifting across a winter battlefield, farmhouses and fences in the distance, heavy storm clouds overhead. Render the scene as if captured during the American Revolutionary War using a modern Sony full-frame camera but styled to look like a genuinely old 1700s battlefield photograph: harsh natural lighting, realistic smoke, mud, uniforms, metallic cannon textures, accurate shadows, lifelike soldiers, authentic period details. Photorealistic faces, natural depth-of-field, subtle film grain, no painterly look, high resolution.”

https://preview.redd.it/lil6spzf0g2g1.png?width=1220&format=png&auto=webp&s=8c24a0c92cbed4c163800e86218e7ede1162d170

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