Using O=C(N=c1cccc[nH]1)C(F)(F)F, Fc1ccc(CBr)cn1 to produce O=C(N=c1ccccn1Cc1ccc(F)nc1)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.