Using CC=CCN(C(=O)C(Br)c1ccc(F)cc1)c1cccc(C(F)(F)F)c1 to produce CCC1CN(c2cccc(C(F)(F)F)c2)C(=O)C1c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.