Using CC(C)(C)c1ccc(-c2c3ccccc3c(Br)c3ccccc23)cc1, CC(C)OB(OC(C)C)OC(C)C to produce CC(C)(C)c1ccc(-c2c3ccccc3c(B(O)O)c3ccccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.