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
COc1c(C)cc(CC(C(=O)N2CCC(N3CCNCC3)CC2)C2CC(N3CCc4ccccc4NC3=O)CCN2C(=O)O)cc1C
assistant