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
Cn1c(=O)n(CC(C)(C)C)c2ccc(-c3ccc4c(c3)C(=O)CCO4)nc21
assistant