Using Cc1c(Cl)nc2cc(F)cc(F)c2c1Cl, [Zn+]CCc1ccccc1 to produce Cc1c(CCc2ccccc2)nc2cc(F)cc(F)c2c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.