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 a sodium channel inhibitor and belongs to the pain treatment class of molecules. Use the above information to create a molecule.
user
O=C(O)c1cc2cnn(Cc3ccc(OC(F)(F)F)c(Cl)c3)c2cc1F
assistant