You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a gamma secretase modulator member of the alzheimer's disease treatment class.
user
Cc1cc(-c2ccc(NC(=O)Nc3cc(C(F)(F)F)ccc3F)cc2)ccn1
assistant