Trying to understand it ... It only lets me choose between "cat2dog" and dog2cat"? I thought I can add any prompt like "add glasses" or "change background to b

Trying to understand it ... It only lets me choose between "cat2dog" and dog2cat"? I thought I can add any prompt like "add glasses" or "change background to beach sunset"? What is the .pt file it creates? When I use the "Generate & Translate the SD image" button, I just get "Error" after a while of processing.