Using O=S(=O)(c1ccccc1)c1ccc2scnc2c1, CC(=O)C(F)(F)F to produce CC(O)(c1nc2cc(S(=O)(=O)c3ccccc3)ccc2s1)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.