Using CC(=O)C(F)F, Cc1nn(-c2ccnc(N)n2)c2cc(Br)ccc12 to produce CC(O)(Cc1nn(-c2ccnc(N)n2)c2cc(Br)ccc12)C(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.