Using O=C(Nc1cccc(C(F)(F)F)c1)c1ccccc1Br, NCCc1ccncc1 to produce O=C(Nc1cccc(C(F)(F)F)c1)c1ccccc1NCCc1ccncc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.