Using CCN(CC)C1c2cc(N)c([N+](=O)[O-])cc2OC(C)(C)C1O to produce CCN(CC)C1c2cc(N)c(N)cc2OC(C)(C)C1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.