Using CCOC(=O)[C@H]1[C@@H]2C[C@@H](OC)[C@@](N=[N+]=[N-])(C(=O)OCc3ccccc3)[C@@H]21 to produce CO[C@@H]1C[C@H]2[C@H](C(=O)O)[C@H]2[C@]1(N)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.