Using CS(=O)c1ncc2c(=O)n(-c3ccccc3Cl)c3nccn3c2n1, Nc1ccccc1 to produce O=c1c2cnc(Nc3ccccc3)nc2n2ccnc2n1-c1ccccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.