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: The molecule is a sodium channel inhibitor and is pain treatment.
user
Cn1nccc1C1CC(C(F)(F)F)CCN1C1CCOc2cc(S(=O)(=O)Nc3nccs3)c(F)cc21
assistant