Using CC(=O)OC(C)(C)C(=O)Nc1sc(S(=O)(=O)c2ccc(C(F)(F)F)cc2F)cc1C(N)=O to produce CC(C)(O)C(=O)Nc1sc(S(=O)(=O)c2ccc(C(F)(F)F)cc2F)cc1C(N)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.