Using CC(C)(O)C(=O)c1ccc(S(C)(=O)=O)cc1, O=C(O)COc1ccc(F)c(F)c1 to produce CC1(C)OC(=O)C(Oc2ccc(F)c(F)c2)=C1c1ccc(S(C)(=O)=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.