You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a phosphodiesterase inhibitor.
user
CS(=O)(=O)c1ccc(S(=O)(=O)N2CCSC2C(=O)OC(Cc2c(Cl)cncc2Cl)c2ccc(OC(F)F)c(OCC3CC3)c2)cc1
assistant