Using NS(=O)(=O)c1ccccc1, Cc1nc2ccc(CCl)cc2n1Cc1ccccc1Cl to produce Cc1nc2ccc(CNS(=O)(=O)c3ccccc3)cc2n1Cc1ccccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.