Using Clc1cc(Cl)c2[nH]cnc2n1, Cc1c(CBr)cccc1C(F)(F)F to produce Cc1c(Cn2cnc3c(Cl)cc(Cl)nc32)cccc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.