Using O=C(Nc1ccccn1)C(CC1CCCC1)c1ccc([N+](=O)[O-])cc1 to produce Nc1ccc(C(CC2CCCC2)C(=O)Nc2ccccn2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.