Using O=CC(=O)OCc1ccccc1, [N-]=[N+]=NC[C@@H]1NC(=O)[C@@H]1NC(=O)OCc1ccccc1 to produce O=C(C=NC[C@@H]1NC(=O)[C@@H]1NC(=O)OCc1ccccc1)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.