Using FC(F)(F)c1ccc(CBr)cc1, Fc1cc(Br)c2[nH]ccc2c1 to produce Fc1cc(Br)c2c(ccn2Cc2ccc(C(F)(F)F)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.