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 that fulfills the requirement: The molecule is a cgrp antagonist that impacts migraine treatment.
user
CN1CCN(C2CCN(C(=O)C(Cc3ccc(C(F)(F)C(F)(F)F)c(C(F)(F)C(F)(F)F)c3)NC(=O)N3CCC(N4Cc5ccccc5NC4=O)CC3)CC2)CC1
assistant