You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a muscarinic antagonist and belongs to the beta2 agonist class of molecules.
user
Cc1cc(CCC(=O)N2CCC(C(=O)OC3CN4CCC3CC4)(c3ccccc3)CC2)ccc1OCCCCCNCC(O)c1ccc(O)c2[nH]c(=O)ccc12
assistant