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 muscarinic receptor antagonist class of molecules.
user
CN(CCN1CCC(OC(=O)N(c2ccccc2-c2ccccc2)N(C(=O)O)c2ccccc2-c2ccccc2)CC1)C(=O)c1cccc(NC(=O)CN2CCC(O)CC2)c1
assistant