Using COC(=O)[C@H](OS(C)(=O)=O)[C@H](C)c1ccc(Cl)c(Cl)c1, [N-]=[N+]=[N-] to produce COC(=O)[C@@H](N=[N+]=[N-])[C@H](C)c1ccc(Cl)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.