Using COc1cc(C2(C#N)CCC2)c([N+](=O)[O-])cc1OCc1ccccc1 to produce COc1cc(C2(C#N)CCC2)c([N+](=O)[O-])cc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.