Using [O-][I+3]([O-])([O-])[O-], CCN(CC)CCNC(=O)c1cc(Cl)c(N)cc1OCCSC to produce CCN(CC)CCNC(=O)c1cc(Cl)c(N)cc1OCCS(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.