You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: It belongs to the muscarinic receptor antagonist class of molecules. Please represent the molecule in SMILES.
user
O=C(Nc1ccccc1-c1ccccc1)OC1CCN(CCNCC(=O)c2ccc(CNCCO)[nH]2)CC1
assistant