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 and is alzheimer's disease treatment.
user
CC#CCN1CCC2(CC1C)C(N1CCCC1CCC)=NC(=O)N2c1cccc(F)c1
assistant