Using O=C(O)c1ccc(O)c(C(F)(F)F)c1, BrCC1CC1 to produce O=C(OCC1CC1)c1ccc(OCC2CC2)c(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.