Using FC(F)(F)c1ccc(CCl)cn1, O=c1[nH]nc2c(Br)c(Cl)ccn12 to produce O=c1n(Cc2ccc(C(F)(F)F)nc2)nc2c(Br)c(Cl)ccn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.