Using FC(F)(F)c1cc(Br)cc(C(F)(F)F)c1, CC(C)=O to produce CC(C)(O)c1cc(C(F)(F)F)cc(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.