You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a pi3k inhibitor and belongs to the anti cancer class of molecules.
user
Cn1ncc2c(-c3nc(N4CCOCC4)c4sc(C(=O)N5CCC(S(C)(=O)=O)C5)cc4n3)cccc21
assistant