You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Can you create a molecule that matches the given characteristics? It belongs to the vasopressin antagonist class of molecules.
user
COCCCOc1cc(OC)ccc1C(=O)N1CCCCC1N1C(=O)CCc2ccccc21
assistant