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 a pain treatment. Please represent the molecule in SMILES.
user
CC1(Cc2cc(F)cc(F)c2)C(=O)Nc2c(-c3cnccn3)cc(-c3cccc(Cl)c3)cc21
assistant