You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a muscarinic receptor antagonist and belongs to the muscarinic antagonist class of molecules.
user
CC(C)(C)OC(=O)N1CC2CC(CCNc3ccc(Cl)nn3)CC2C1
assistant