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 positive allosteric modulator.
user
Cc1nnc2sc(C(O)N3CCN(C(=O)OCc4ccccc4)CC3)c(N)c2c1C
assistant