Using CCCNC(=O)c1c(NC(=O)C2C(C)(C)C2(C)C)sc2c1CCSC2, O=S([O-])OO to produce CCCNC(=O)c1c(NC(=O)C2C(C)(C)C2(C)C)sc2c1CCS(=O)(=O)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.