Using OB(O)c1ccc(F)cc1, CCCC(C(=O)OCC)c1cc(O)cc(-c2ccc(C(F)(F)F)cc2)c1 to produce CCCC(C(=O)OCC)c1cc(Oc2ccc(F)cc2)cc(-c2ccc(C(F)(F)F)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.