Using Nc1cc(Br)cnc1Cl, O=S(=O)(Cl)c1cccc(OC(F)F)c1 to produce O=S(=O)(Nc1cc(Br)cnc1Cl)c1cccc(OC(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.