Using CC(C)S(=O)(=O)c1ccccc1Nc1nc(Cl)nc(Cl)c1C(O)c1ccccc1 to produce CC(C)S(=O)(=O)c1ccccc1Nc1nc(Cl)nc(Cl)c1C(=O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.