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
O=C(c1ccc(OCCCCCCNCC(O)c2ccc(O)c3[nH]c(=O)ccc23)cc1)N1CCC(c2ccccc2)CC1C1CN2CCC1CC2
assistant