You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a bace inhibitor and is alzheimer's treatment.
user
CCn1ncc2cc(C3C(C)(c4cc(F)ccc4F)N=C(N)N(C)S3(=O)=O)ccc21
assistant