You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a pde4 inhibitor, a asthma treatment, and anti inflammatory. Use the above information to create a molecule.
user
CC(C)(O)C(=O)C(Cc1cccc(-c2cc(C(C)(C)S(C)(=O)=O)cc3cccnc23)c1)c1ccc(S(=O)(=O)C2CC2)cc1
assistant