You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a cgrpantagonists and is migraine treatment.
user
CCc1ccc(CC(NC(=O)ON2CCC(N3CCc4ccccc4NC3=O)CC2)C(=O)N2CCN(C3CCN(C)CC3)CC2)cc1CC.O=S(=O)(O)c1cccc2c(S(=O)(=O)O)cccc12
assistant