You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: The molecule is a phosphodiesterase inhibitor.
user
CN(C)C(=O)c1cccc(-c2cccc3cnn(CCc4ccc5ccccc5n4)c(=O)c23)c1
assistant