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 pde2 inhibitor. Please write the SMILES representation of it.
user
Cc1cc(C(=O)N2C3CCC(c4cc(C(F)F)nc5ncnn45)C2CC3)cc(F)c1F
assistant