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 gamma secretase modulator and belongs to the alzheimer's disease treatment class of molecules.
user
COC(=O)C1(c2ccc(F)cc2Br)ON=C2C(=Cc3ccc(-n4cnc(C)c4)c(OC)c3)CCCN21
assistant