Using O=N[O-], COc1cc(OS(C)(=O)=O)ccc1-c1nc2ccc(N)cc2[nH]1 to produce COc1cc(OS(C)(=O)=O)ccc1-c1nc2ccc(O)cc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.