Using O=C(O)C(F)(F)F, NC(=O)c1nnn(Cc2ccc(Sc3ccc(Cl)cc3)c(Cl)c2)c1N to produce NC(=O)c1nnn(Cc2ccc(S(=O)c3ccc(Cl)cc3)c(Cl)c2)c1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.