Using O=C(N=c1cccc[nH]1)C(F)(F)F, BrCc1ccc(Br)nc1 to produce O=C(N=c1ccccn1Cc1ccc(Br)nc1)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.