Using CC(NC(=O)c1nc(-c2ccc(OC(F)(F)F)cc2)no1)C(O)Cc1cccc(Br)c1 to produce CC(NC(=O)c1nc(-c2ccc(OC(F)(F)F)cc2)no1)C(=O)Cc1cccc(Br)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.