Using FC(F)(F)c1cccc(S)c1, CC(OS(C)(=O)=O)C1CCN(C(=O)OC(C)(C)C)CC1 to produce CC(Sc1cccc(C(F)(F)F)c1)C1CCN(C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.