Using [N-]=[N+]=NP(=O)(c1ccccc1)c1ccccc1, CC(C)(C)OC(=O)N[C@H]1CC[C@@H](O)C1 to produce CC(C)(C)OC(=O)N[C@H]1CC[C@H](N=[N+]=[N-])C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.