Using [O-][I+3]([O-])([O-])[O-], CCCCCC(O)CCCC(CCCCCCC(=O)O)SC to produce CCCCCC(O)CCCC(CCCCCCC(=O)O)S(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.