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 alzheimer's disease treatment and belongs to the alzheimer's treatment class of molecules, with the characteristic of being gamma secretase modulator.
user
Cc1cn(-c2ccc3n(c2=O)CCN(Cc2c[nH]c4c(Cl)cc(Cl)cc24)C3=O)cn1
assistant