Using O=C(OCCCC[C@H](CO[N+](=O)[O-])O[N+](=O)[O-])c1ccc([N+](=O)[O-])cc1 to produce O=[N+]([O-])OC[C@@H](CCCCO)O[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.