Using COc1cc(C(C)(C)O)cc(Br)c1O, Cc1nc(Cl)nc(Cl)n1 to produce COc1cc(C(C)(C)O)cc(Br)c1Oc1nc(C)nc(Cl)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.