Using O=C(CBr)c1ccncc1, O=c1cc(Cl)nc2n1CC[C@@H](C(F)(F)F)N2 to produce O=C(CN1c2nc(Cl)cc(=O)n2CC[C@H]1C(F)(F)F)c1ccncc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.