Using On1nnc2ccccc21, Cc1cc(Oc2ccc(S(C)(=O)=O)nc2)cc2cc(C(=O)O)[nH]c12 to produce Cc1cc(Oc2ccc(S(C)(=O)=O)nc2)cc2cc(C(N)=O)[nH]c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.