Using FC(F)(F)Oc1ccc2[nH]c(-c3nc(CCl)co3)cc2c1, O=S([O-])c1ccc(Br)cc1 to produce O=S(=O)(Cc1coc(-c2cc3cc(OC(F)(F)F)ccc3[nH]2)n1)c1ccc(Br)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.