Using [O-][I+3]([O-])([O-])[O-], CSc1ccc2c(c1)N(c1ccccc1)C(=O)Cc1nnc(C)n1-2 to produce Cc1nnc2n1-c1ccc(S(C)=O)cc1N(c1ccccc1)C(=O)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.