You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a phosphodiesterase inhibitor.
user
COc1ccc(Cn2c(=O)c3cc(OC(CF)CF)ccc3n(C3CCOCC3)c2=O)cc1OC
assistant