Using O=C(O)Cc1ccc(C(F)(F)F)nc1, NNc1cc(-c2ccc(Cl)cc2)c(Br)cn1 to produce O=C(Cc1ccc(C(F)(F)F)nc1)NNc1cc(-c2ccc(Cl)cc2)c(Br)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.