You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a betasecretase inhibitor and belongs to the alzheimer's treatment class of molecules. Use the above information to create a molecule.
user
NC(Cc1cc(F)cc(F)c1)C(O)C1CCCCN1C(c1ccccc1)c1ccccc1
assistant