You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: It belongs to the cgrpantagonists class of molecules.
user
Cc1cc(CC(OC(=O)N2CCC(N3CCc4ccccc4NC3=O)CC2)C(=O)N2CCC(N3CCC(O)CC3)CC2)cc2c1n(C)c(=O)n2C
assistant