Using O=C(NC1CCNCC1)c1ccc(/C=C/C(c2cc(Cl)c(Cl)c(Cl)c2)C(F)(F)F)cc1Br, O=C(O)CC(F)(F)F to produce O=C(NC1CCN(C(=O)CC(F)(F)F)CC1)c1ccc(/C=C/C(c2cc(Cl)c(Cl)c(Cl)c2)C(F)(F)F)cc1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.