You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a glucagon receptor antagonist.
user
CCCCC(COc1nnc(-c2ccc(C(C)(C)C)cc2)o1)Nc1ccc(C(=O)NCCC(=O)OCC)cc1
assistant