You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a pde4 inhibitor that impacts copd treatment.
user
COc1ccc(C(Cc2c(Cl)c[n+]([O-])cc2Cl)OC(=O)c2ccc(CNCC(O)(C(=O)OCC3CCN(C)CC3)c3cccs3)s2)cc1OC
assistant