You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a cgrp antagonist and belongs to both the migraine treatment and cgrp receptor antagonist classes of molecules.
user
O=C(Cn1c(=O)n(-c2nccs2)c2ccccc21)Nc1ccc2c(c1)CC1(C2)C(=O)Nc2ccccc21
assistant