Using O=C(OO)C(F)(F)F, COC(=O)Nc1cn2cc(S(=O)c3ccccc3)ccc2n1 to produce COC(=O)Nc1cn2cc(S(=O)(=O)c3ccccc3)ccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.