Using COc1cc(Oc2ccc(S(C)(=O)=O)cc2)cc2cc(C(=O)O)[nH]c12, On1nnc2ccccc21 to produce COc1cc(Oc2ccc(S(C)(=O)=O)cc2)cc2cc(C(N)=O)[nH]c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.