Using [O-][I+3]([O-])([O-])[O-], CCn1ncc2c(NC3CCCCC3)c(C3=NOC4(CCSC4)C3)cnc21 to produce CCn1ncc2c(NC3CCCCC3)c(C3=NOC4(CCS(=O)C4)C3)cnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.