Using OB(O)c1ccccc1C(F)(F)F, COC(=O)c1ccc(Br)c(C)c1 to produce COC(=O)c1ccc(-c2ccccc2C(F)(F)F)c(C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.