Using BrC(Br)(Br)Br, CCOC(=O)COc1ccc(CCO)cc1C(F)(F)F to produce CCOC(=O)COc1ccc(CCBr)cc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.