You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
It belongs to the pain treatment class of molecules. Use the above information to create a molecule.
user
Nc1cc(-c2cc(F)ccc2Oc2cc(F)c(S(=O)(=O)Nc3ccncn3)cc2Cl)ccn1
assistant