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 a faah inhibitor.
user
Cl.Nc1cncc(NC(=O)N2CCN(C(=O)c3cccc(OCCC4CCCCC4)c3)CC2)c1
assistant