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