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 based on this description: The molecule is a oxytocin antagonist and belongs to the vasopressin antagonist class of molecules.
user
CCN(CC)CCN(C)C(=O)CC1CCCN(C(=O)c2ccc(NC(=O)c3ccccc3C)nc2)c2ccc(Cl)cc21
assistant