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. Please write the SMILES representation of it.
user
COc1ccc(-c2nc(C(=O)NC3CCN(S(C)(=O)=O)C3)c(C(C)N)o2)c2ccc(C(F)(F)F)nc12
assistant