Using O=S([O-])O, CC(C=O)Oc1ccc(Oc2ncc(Cl)cc2Cl)cc1 to produce CC(Oc1ccc(Oc2ncc(Cl)cc2Cl)cc1)C(O)S(=O)(=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.