Using CCC(CC)n1cc(Cl)nc(Cl)c1=O, Nc1ccc(Br)cc1Br to produce CCC(CC)n1cc(Cl)nc(Nc2ccc(Br)cc2Br)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.