You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: It belongs to the copd treatment class of molecules. Please represent the molecule in SMILES.
user
CCN(N)c1c(OC)cc(C(CC(=O)CCc2ccccc2)c2ccc(C)c(CO)c2)c(C)c1N
assistant