Using COc1cccc(CC#N)c1, FC(F)(F)c1cccc2c(Br)c(Cc3ccccc3)cnc12 to produce COc1cccc(C(C#N)c2c(Cc3ccccc3)cnc3c(C(F)(F)F)cccc23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.