Using CC1(C)C(=O)N(Br)C(=O)N1Br, CCc1c(-c2cc(F)cc(F)c2)c(=O)c2cc(F)ccc2n1C to produce CC(Br)c1c(-c2cc(F)cc(F)c2)c(=O)c2cc(F)ccc2n1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.