You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a sodium channel inhibitor and is pain treatment. Please represent the molecule in SMILES.
user
CN(CC(=O)O)C1CCC(F)CC1Nc1cc(F)c(S(=O)(=O)Nc2nccs2)cc1Cl
assistant