Using Nc1nc(C(F)(F)F)c(Br)nc1C(=O)O, Nc1cc(C(F)(F)F)n[nH]1 to produce Nc1nc(C(F)(F)F)c(Br)nc1C(=O)Nc1cc(C(F)(F)F)n[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.