Using BrCc1cccc(CBr)c1, Cc1cc(OCc2ccc(F)cc2F)c(Br)c(=O)[nH]1 to produce Cc1cc(OCc2ccc(F)cc2F)c(Br)c(=O)n1Cc1cccc(CBr)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.