You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: It impacts pain treatment.
user
O=C(CNC1CCN(S(=O)(=O)c2cccc(C(F)(F)F)c2)CC1)Nc1cc(C(F)(F)F)cc(C(F)(F)F)c1
assistant