Using O=C(c1ccccc1)c1cc([N+](=O)[O-])c([N+](=O)[O-])c(Cl)c1Cl, N to produce Nc1cccc(C(=O)c2cccc(N)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.