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