Using CCC(CC)c1ccc(-c2ccco2)c2nc(Cl)n(C)c12, Oc1ccc(Cl)cc1Br to produce CCC(CC)c1ccc(-c2ccco2)c2nc(Oc3ccc(Cl)cc3Br)n(C)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.