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(=O)N1CC2CN(c3cccc4c3cnn4-c3ccccc3F)C(=O)C2C1
assistant