You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a glucagon receptor antagonist that impacts diabetes treatment. Use the above information to create a molecule.
user
CC(C)c1ccc2c(c1)CCC1C(C)(Cc3c(-c4cccc(OCC(=O)OC(C)(C)C)c4)ccc4[nH]c(-c5cccc(OCC(=O)OC(C)(C)C)c5)nc34)CCCC21C
assistant