Using COc1ccccc1Oc1c(OCCOC2CCCCO2)cc(C#N)cc1[N+](=O)[O-] to produce COc1ccccc1Oc1c(N)cc(C#N)cc1OCCO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.