Using CC(O)C(F)(F)F, O=S1(=O)c2ccccc2Oc2cc(F)ccc21 to produce CC(Oc1ccc2c(c1)Oc1ccccc1S2(=O)=O)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.