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: It impacts pain treatment.
user
CC(C)(C)OC(=O)N1CCCC1CNc1cnc(-c2cncc(F)c2)nc1Oc1ccc(N)cc1
assistant