Using CC1CCc2nc3sc4c(c3c(=O)n2CC1)CCCC4, O=S(=O)([O-])OOS(=O)(=O)[O-] to produce CC1CCc2nc3sc4c(c3c(=O)n2CC1)CCCC4=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.