You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): It belongs to the muscarinic receptor antagonist class of molecules.
user
O=C(OC1C[N+]2(Cc3ccccn3)CCC1CC2)C(Nc1ccccc1)c1ccccc1
assistant