You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a beta2 agonist and belongs to the muscarinic antagonist class of molecules.
user
O=C(COc1cccc(C(O)(C(=O)O)c2ccccc2)c1)NC1CCC(C(=O)N2CCC(CNCC(O)c3ccc(O)c4[nH]c(=O)ccc34)CC2)CC1
assistant