Using [Zn+]CC1CCCCC1, COC(=O)c1ccc(Cl)c(C(F)(F)F)c1 to produce COC(=O)c1ccc(CC2CCCCC2)c(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.