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 both a sodium channel inhibitor and a pain treatment.
user
CC(C)C(NC(=O)c1cc(C2CC2)c(OCC23CC4CC(CC2C4)C3)cc1F)C(=O)O
assistant