Using CC(O)(C(=O)OCc1ccccc1)C(F)(F)F, BrCc1ccccc1 to produce CC(OCc1ccccc1)(C(=O)OCc1ccccc1)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.