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: The molecule is a muscarinic receptor antagonist. Please represent the molecule in SMILES.
user
CCN(CC1CCN(C(=O)OC(C)C)CC1)C(C)Cc1ccc(OC)cc1.O=C(O)C(O)(C(=O)c1ccccc1)C(O)(C(=O)O)C(=O)c1ccccc1
assistant