You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a cgrp receptor antagonist and is migraine treatment. Please represent the molecule in SMILES.
user
CN1CCN(c2ccccc2-c2cn(CC(=O)O)c3ncncc23)CC1.[Li]
assistant