You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Can you create a molecule that matches the given characteristics? The molecule is a cgrpantagonists and is migraine treatment.
user
O=COc1c(Cl)cc(CC(OC(=O)N2CCC(N3CCc4ccccc4NC3=O)CC2)C(=O)N2CCN(C3CCOCC3)CC2)cc1Cl
assistant