You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is both a pain treatment and a modulate. Please represent the molecule in SMILES.
user
Fc1ccc(Nc2nnc3cc(-c4ncccc4C(F)(F)F)cnn23)c(F)c1
assistant