Using CC1(C)C(=O)N(Br)C(=O)N1Br, Cc1nc2cccc(C(F)(F)F)c2nc1-c1ccccc1Cl to produce FC(F)(F)c1cccc2nc(CBr)c(-c3ccccc3Cl)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.