Using CS(=O)(=O)c1ccc(C(=O)O)c(Cl)c1F, OC1COC1 to produce CS(=O)(=O)c1ccc(C(=O)O)c(Cl)c1OC1COC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.