Using C=CCBr, O=Cc1ccc(OS(=O)(=O)C(F)(F)F)cc1O to produce C=CCOc1cc(OS(=O)(=O)C(F)(F)F)ccc1C=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.