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 alzheimer's disease treatment and is gamma secretase modulator. Use the above information to create a molecule.
user
Cc1cn(-c2ccc3n(c2=O)CC(C)N(Cc2cc4c(s2)CCC(CF)C4)C3=O)cn1
assistant