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. Please write the SMILES representation of it.
user
C[N+](C)(C)CCN1CCC(OC(=O)Nc2ccccc2-c2ccccc2)CC1
assistant