You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is both a pain treatment and a sodium channel inhibitor. Use the above information to create a molecule.
user
O=C(O)C1CCC(=O)N1C(=O)c1cc(C2CC2)c(OCC23CC4CC(CC2C4)C3)cc1F
assistant