Using CC(C)OB1OC(C)(C)C(C)(C)O1, CC(C)Cn1c2ccccc2c2cc(Br)ccc21 to produce CC(C)Cn1c2ccccc2c2cc(B3OC(C)(C)C(C)(C)O3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.