You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a phosphodiesterase inhibitor that impacts copd treatment.
user
CC(C)(C)OC(=O)CS(=O)(=O)Nc1cc(C(=O)N2CCCC2C(=O)OC(Cc2c(Cl)c[n+]([O-])cc2Cl)c2ccc(OC(F)F)c(OCC3CC3)c2)ccc1OCC1CC1
assistant