Using CC(=O)N1CCc2cc(S)c(C(F)(F)F)cc21, O=C([O-])[O-] to produce CSc1cc2c(cc1C(F)(F)F)N(C(C)=O)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.