Using CC(=O)C1CC1, COC(=O)c1ccc(C(F)(F)F)cc1SC to produce CSc1cc(C(F)(F)F)ccc1C(=O)CC(=O)C1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.