Using O=S(=O)(c1ccccc1)N(F)S(=O)(=O)c1ccccc1, Cc1cc(Br)c2cccc(O)c2n1 to produce Oc1cccc2c(Br)cc(CF)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.