Using COC(=O)CC(C)(c1ccc(Cl)c([N+](=O)[O-])c1)C1CCC1 to produce COC(=O)CC(C)(c1ccc(Cl)c(N)c1)C1CCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.