Using Oc1ccnc(Cl)c1, Cc1cc([N+](=O)[O-])nc(C)c1Br to produce Cc1cc([N+](=O)[O-])nc(C)c1Oc1ccnc(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.