You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a modulate and is pain treatment. Please write the SMILES representation of it.
user
CCn1cnc2c(=O)n(-c3ccc(Cl)cc3)c(SCCC(F)(F)F)nc21
assistant