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 anti proliferative and belongs to the anti tumor class of molecules, with the characteristic of being anti neoplastic.
user
Cn1cccc1N1CCc2cc(S(=O)(=O)N3CC(c4ncccn4)N=C3N)ccc21
assistant