You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: It belongs to the copd treatment class of molecules.
user
CCC1CN(Cc2cc(C(c3ccc4c(nnn4CC)c3C)C(C)(C)C(=O)O)sc2Cl)S(O)(O)c2ccccc2O1
assistant