Using O=S(=O)(c1ccccc1)N(F)S(=O)(=O)c1ccccc1, COc1ccc(-c2ccc3c(Br)c(OC)ccc3c2)cc1 to produce COc1ccc(-c2ccc3c(F)c(OC)ccc3c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.