Using CNS(=O)(=O)c1ccc(OC(C)C(F)(F)F)c(C(=O)OC)c1 to produce CNS(=O)(=O)c1ccc(OC(C)C(F)(F)F)c(C(=O)O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.