Using COC(=O)C(SC(C)=O)C1CCC2(CC1)OCCO2, FC(F)(F)CCI to produce COC(=O)C(SCCC(F)(F)F)C1CCC2(CC1)OCCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.