Using O=c1cc(CO)[nH]c(=O)[nH]1, Cc1ccc(N(CC(C)C)S(=O)(=O)c2ccc(O)cc2)c(C)c1 to produce Cc1ccc(N(CC(C)C)S(=O)(=O)c2ccc(OCc3cc(=O)[nH]c(=O)[nH]3)cc2)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.