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 pi3 kinase inhibitor.
user
O=C1NC(=O)C(=Cc2ccc3ncc(-c4cccnc4)n3c2)S1
assistant