Using Cc1cc(OC2CCCCO2)cc(B2OC(C)(C)C(C)(C)O2)c1C=O, CC(C)(C)OC(=O)CBr to produce Cc1cc(OC2CCCCO2)cc2c1C(CC(=O)OC(C)(C)C)OB2O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.