You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: It belongs to the glucagon receptor antagonist class of molecules.
user
O=C(O)CCNC(=O)c1ccc(CCCCCCCOc2ccc(-c3ccc(C(F)(F)F)cc3)c(Cl)c2)cc1
assistant