You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
It belongs to the migraine treatment, cgrp antagonist, and cgrp receptor antagonist classes of molecules. Use the above information to create a molecule.
user
O=C1CC2(CC(=O)N3CCCC3)CN(Cc3ccc4cc5c(cc4n3)CC3(C5)C(=O)Nc4ncccc43)c3cccc(c32)N1
assistant