You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is pain treatment.
user
C=NC=CC1=C(C(C)=O)C(C)N(Cc2ccc(OCC(F)(F)F)c(C)c2)C1=O
assistant