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 the cgrpantagonists class of molecules. Please represent the molecule in SMILES.
user
Cc1cc(CC(OC(=O)N2CCC(N3CCc4ccccc4NC3=O)CC2)C(=O)N2CCN(C3CCN(C)CC3)CC2)cc2c1NCCO2
assistant