You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a pde4 inhibitor.
user
CCOc1ccccc1NC(=O)CNC(=O)c1nc(-c2ccc(OC)c3nc(C(F)(F)F)ccc23)oc1C(C)N
assistant