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
COCN(c1cccc(F)n1)S(=O)(=O)c1cc(Cl)c(NC2CC=C(C(F)(F)F)CC2N(C)C2CNC2)cc1F
assistant