You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a sodium channel inhibitor and belongs to the pain treatment class of molecules.
user
O=C(NCCc1c(Cl)cccc1Cl)Oc1cnn(-c2cccc(Cl)n2)c1C(F)(F)F
assistant