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: It belongs to both the cgrp receptor antagonist and migraine treatment classes of molecules. Please represent the molecule in SMILES.
user
CC(C)(C)OC(=O)N1CCC(N2CCN(c3ccccc3F)C2=O)CC1
assistant