Using Nc1cc(Oc2cccnc2)cc([N+](=O)[O-])c1, O=C(Cl)c1cccc(Cl)c1 to produce O=C(Nc1cc(Oc2cccnc2)cc([N+](=O)[O-])c1)c1cccc(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.