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 belongs to the alzheimer's treatment class of molecules.
user
CN1C(N)=NC(C)(c2sc(-c3cccc(-c4nnco4)c3)cc2F)CS1(=O)=O
assistant