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.
user
CCn1nc(-c2cccc(-c3ccc(S(C)(=O)=O)cc3)c2)cc(NC(=O)Nc2c(Cl)cncc2Cl)c1=O
assistant