You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: It belongs to the pain treatment class of molecules.
user
CC(C)(C)OC(=O)N1CC(F)CC1C(=O)NCc1cc(-c2ccc(C(F)(F)F)cn2)cc(F)n1
assistant