Using CCOC(=O)CBr, COc1cc(OC)c(C=O)c(B2OC(C)(C)C(C)(C)O2)c1 to produce CCOC(=O)CC1OB(O)c2cc(OC)cc(OC)c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.