Using CCOC(=O)CBr, Cc1cc(Oc2ccccc2)cc(B2OC(C)(C)C(C)(C)O2)c1C=O to produce CCOC(=O)CC1OB(O)c2cc(Oc3ccccc3)cc(C)c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.