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: The molecule is a glucagon receptor antagonist.
user
CCCC(c1ccc(C(=O)NCc2nn[nH]n2)cc1)N1C(=O)C(c2cc(C)cc(F)c2)=NC12CCC(C(C)(C)C)CC2
assistant