Using CCN(CC)CCCC(C)N, O=C(Cl)c1ccc(Cl)cc1[N+](=O)[O-] to produce CCN(CC)CCCC(C)NC(=O)c1ccc(Cl)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.