Using Brc1cccc(Br)n1, CC1(C)CCC(C)(C)c2cc(B3OC(C)(C)C(C)(C)O3)ccc21 to produce CC1(C)CCC(C)(C)c2cc(-c3cccc(Br)n3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.