Using CS(=O)(=O)Cl, OCCC(O)C(O)CCO to produce CS(=O)(=O)OCCC(OS(C)(=O)=O)C(CCOS(C)(=O)=O)OS(C)(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.