Using COC(=O)CCCNCCN(CCC(=O)O)c1ccc(OC(F)(F)F)c(Cl)c1 to produce COC(=O)CCCN1CCN(c2ccc(OC(F)(F)F)c(Cl)c2)CCC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.