Using COC(=O)c1cc(N)cc(N2CCCCS2(=O)=O)c1, O=N[O-] to produce COC(=O)c1cc(O)cc(N2CCCCS2(=O)=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.