Using Fc1ccc(Br)c2c1OC(F)(F)O2, CC(C)OB1OC(C)(C)C(C)(C)O1 to produce CC1(C)OB(c2ccc(F)c3c2OC(F)(F)O3)OC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.