Using FC(F)(F)c1cccc(CCl)c1, Nc1cccc(S(=O)(=O)O)c1 to produce O=S(=O)(O)c1cccc(NCc2cccc(C(F)(F)F)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.