Using NS(=O)(=O)O, CC(C)c1cc2c(C=O)ccc(OC(F)F)c2o1 to produce CC(C)c1cc2c(C(=O)O)ccc(OC(F)F)c2o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.