You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: The molecule is a pde4 inhibitor.
user
COc1ccc(C2CN(C(=O)C3COC(C)(C)O3)CC2(C)C(C)O)cc1OC1CN(c2ccc(Cl)c(C)n2)C1
assistant