Using O=C(CCC1CCCC1)Nc1c(Cl)cc(Br)cc1C(F)(F)F, Fc1ccc2c(c1)CCNC2 to produce O=C(CCC1CCCC1)Nc1c(Cl)cc(N2CCc3cc(F)ccc3C2)cc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.