You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a muscarinic antagonist and belongs to the beta2 agonist class of molecules. Use the above information to create a molecule.
user
CN(CCNC(=O)c1ccc(CCNCC(O)c2ccc(O)c3[nH]c(=O)ccc23)cc1)C(=O)COc1cccc(C(O)(C(=O)O)c2ccccc2CC2CCN(Cc3ccccc3)CC2)c1
assistant