Using [O-][I+3]([O-])([O-])[O-], CC1(C)OC(=O)Nc2ccc(OCCCCSc3ccc(Cl)c(Cl)c3)cc21 to produce CC1(C)OC(=O)Nc2ccc(OCCCCS(=O)c3ccc(Cl)c(Cl)c3)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.