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 betasecretase inhibitor.
user
CCCN(CCC)C(=O)c1cccc(C(=O)NC(Cc2ccccc2)P(=O)(O)CC(C)C(=O)NCC(C)C)c1.CCCN(CCC)C(=O)c1cccc(C(=O)NC(Cc2ccccc2)P(=O)(O)CC(C)C(=O)Nc2ccc(C)cc2)c1.CCCN(CCC)C(=O)c1cccc(C(=O)NC(Cc2ccccc2)P(=O)(O)CC(C)C(=O)Nc2ccc(C)cc2)c1
assistant