Using O=S(=O)(Cl)c1ccc(Br)cc1, O[C@@H]1CC[C@@H]2CN(c3cccc(C(F)(F)F)n3)C[C@@H]21 to produce O=S(=O)(O[C@@H]1CC[C@@H]2CN(c3cccc(C(F)(F)F)n3)C[C@@H]21)c1ccc(Br)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.