Using C=C(CCC(=O)OCC)CCC(=O)OCCCCCCCCCCCCCC, C[N+]1([O-])CCOCC1 to produce CCCCCCCCCCCCCCOC(=O)CCC1(CO)CCC(=O)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.