Using OB(O)c1ccccc1, COC(=O)c1cc(-c2ccc(C(F)(F)F)cc2)cc(Br)c1O to produce COC(=O)c1cc(-c2ccc(C(F)(F)F)cc2)cc(-c2ccccc2)c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.