Using NS(=O)(=O)c1ccccc1, CC(=O)Nc1nc(C)c(-c2cnnc(Cl)c2)s1 to produce CC(=O)Nc1nc(C)c(-c2cnnc(NS(=O)(=O)c3ccccc3)c2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.