You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a glucagon receptor antagonist.
user
COC(=O)CCNC(=O)c1ccc(C(CC(C)C)Sc2cc(C)c(-c3ccc(C(F)(F)F)cc3)c(C)c2)s1
assistant