Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Request: Change the background to a nighttime cityscape. Anfas portrait of a mech warrior, circuitry, explosion, dramatic, intricate, highly detailed, artstation, concept art, smooth, sharp focus, by Piotr Rusnarczyk, rendered in octane, rtx on, ambient occlusion

### Response:
Anfas portrait of a mech warrior, circuitry, explosion, dramatic, intricate, highly detailed, artstation, concept art, smooth, sharp focus, by Piotr Rusnarczyk, rendered in octane, rtx on, ambient occlusion, nighttime cityscape.

### End