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. Use the above information to create a molecule.
user
O=Cc1c(C(Cc2c(Cl)c[n+](O)cc2Cl)c2ccc(OC(F)F)c(OCC3CC3)c2)ccc(C(=O)[O-])c1OCc1ccccc1
assistant