You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule is a betasecretase inhibitor and is alzheimer's disease treatment.
user
CC(O)C12CC1C(C)(c1cc(Nc3ncnc4cc(C#N)cnc34)cc(F)c1F)N=C(N)S2
assistant