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? It belongs to the cgrp antagonist class of molecules.
user
Nc1c(Cl)cc(CC(CC(=O)N2CCC(N3CCc4ccccc4NC3=O)CC2)C(=O)N2CCC(CN3CCCCC3)CC2)cc1C(F)(F)F
assistant