Using [O-][I+3]([O-])([O-])[O-], CCCn1c(-c2ccnc(Nc3ccc(S(=O)(=O)NCCOCC)cc3)n2)cnc1CSCC to produce CCCn1c(-c2ccnc(Nc3ccc(S(=O)(=O)NCCOCC)cc3)n2)cnc1CS(=O)CC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.