Using Cc1ccc(NC2CCN(C(=O)OC(C)(C)C)CC2)c([N+](=O)[O-])c1 to produce Cc1ccc(NC2CCN(C(=O)OC(C)(C)C)CC2)c(N)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.