Using [N-]=[N+]=[N-], COC(=O)[C@H]1C[C@H](OS(=O)(=O)c2ccccc2)C1 to produce COC(=O)[C@H]1C[C@@H](N=[N+]=[N-])C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.