Using Cc1cn2c(nc1=O)O[C@H]1C[C@H]2O[C@@H]1CO, [N-]=[N+]=[N-] to produce Cc1cn([C@H]2C[C@H](N=[N+]=[N-])[C@@H](CO)O2)c(=O)[nH]c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.