Using CNC(=O)[C@@H]1CCC[C@H](C(=O)OC)C1, [N-]=[N+]=[N-] to produce COC(=O)[C@H]1CCC[C@@H](c2nnnn2C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.