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): The molecule is a muscarinic receptor antagonist.
user
CC(=O)OC1C[N+]2(CC(=O)c3ccccc3)CCC1CC2.CNC(=O)c1cccc(Nc2ccccc2)c1
assistant