Using COB(OC)OC, CCOc1cc(C(=O)OC(C)(C)C)cc(OCC)c1Br to produce CCOc1cc(C(=O)OC(C)(C)C)cc(OCC)c1B(O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.