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(CC(N2CCC(OC(=O)Nc3ccccc3-c3ccccc3)CC2)C(F)(F)F)CC1
assistant