Using CN1CC(c2ccccc2)([N+](=O)[O-])CCC1=O, C1CCOC1 to produce CN1CC(c2ccccc2)([N+](=O)[O-])CC(O)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.