Using O=C(O)C(F)(F)F, CN(C(=O)CN(CC#N)c1ccc(Cl)c(Cl)c1)[C@@H](CN1CCCC1)c1ccc(Br)cc1 to produce CN(C(=O)CN(CC(N)=O)c1ccc(Cl)c(Cl)c1)[C@@H](CN1CCCC1)c1ccc(Br)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.