Using Oc1c(Br)cnc2c(C(F)(F)F)cccc12, Oc1ccnc2c(C(F)(F)F)cccc12 to produce FC(F)(F)c1cccc2c(-c3ccccc3)c(-c3ccccc3)cnc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.