Using OB(O)c1ccc(OC(F)(F)F)cc1, CC(C)(C)c1cc(Br)c(O)c(C=O)c1 to produce CC(C)(C)c1cc(C=O)c(O)c(-c2ccc(OC(F)(F)F)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.