You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: It belongs to the beta2 agonist class of molecules.
user
COC(=O)c1cc2cc(CC(C)NCC(O)c3ccc(OCc4ccccc4)c(CO)c3)ccc2[nH]1
assistant