You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Can you create a molecule that matches the given characteristics? It belongs to the pain treatment class of molecules.
user
Cl.FC(F)(F)c1ccc2c(c1)Oc1c(CCl)nc3nc(-c4ncccc4C(F)(F)F)ccc3c1N2
assistant