You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a cgrp antagonist that belongs to the alzheimer's treatment, gamma secretase modulator, and cgrpantagonists classes of molecules and impacts alzheimer's disease treatment.
user
O=C(O)C(NCc1ccccc1)C1CCOCC1
assistant