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
COC(=O)c1cc(C(=O)NCCN2CCCCC2)cc(-c2cccc(-c3cc(CCNC(=O)Nc4c(Cl)cncc4Cl)c(=O)[nH]n3)c2)c1
assistant