Using COC(=O)C=Cc1ccc(B2OC(C)(C)C(C)(C)O2)cc1C(F)(F)F to produce COC(=O)CCc1ccc(B2OC(C)(C)C(C)(C)O2)cc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.