Using C=C(Br)C(F)(F)F, CC1(C)OB(c2cc(Cl)c(C(F)F)c(Cl)c2)OC1(C)C to produce C=C(c1cc(Cl)c(C(F)F)c(Cl)c1)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.