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
COc1ccc(CN(c2nncs2)S(=O)(=O)c2cc(Cl)c(Oc3ccc(-c4ccccc4)cc3-c3ccnnc3)cc2F)c(OC)c1
assistant