You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a muscarinic receptor antagonist and belongs to the muscarinic antagonist class of molecules. Please write the SMILES representation of it.
user
O=C1CC2CCC1N(Cc1ccccc1)C2=O
assistant