You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a pde4 inhibitor and belongs to the anti tumor class of molecules, with the characteristic of being anti inflammatory. Please write the SMILES representation of it.
user
COC(=O)c1cccc2cc(Cl)ccc12
assistant