You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: It belongs to the pain treatment class of molecules.
user
CN(Cc1cc2cc(Cl)ccc2s1)C1(C)CCN(C(=O)OC(C(F)(F)F)C(F)(F)F)CC1
assistant