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
[O-][n+]1ccc(-c2cccc(CCN3CC=C(c4cccc(C(F)(F)F)c4)CC3)c2)cc1
assistant