Using CCCC[C@H]1O[C@@H]1C(=O)Nc1ccc2c(c1)OCO2, [N-]=[N+]=[N-] to produce CCCC[C@H](N=[N+]=[N-])[C@H](O)C(=O)Nc1ccc2c(c1)OCO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.