Using Nc1cc(Br)c(NC(=O)CCC2CCCCC2)c(C(F)(F)F)c1, O=Cc1ccc(Cl)s1 to produce O=C(CCC1CCCCC1)Nc1c(Br)cc(NCc2ccc(Cl)s2)cc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.