Using [N-]=[N+]=NP(=O)(c1ccccc1)c1ccccc1, COC(=O)CCC(C)C1CCC2C3C(O)CC4CC(O)CCC4(C)C3CC(O)C12C to produce COC(=O)CC[C@@H](C)[C@H]1CC[C@H]2[C@@H]3[C@H](O)C[C@@H]4C[C@@H](N=[N+]=[N-])CC[C@]4(C)[C@H]3C[C@H](O)[C@]12C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.