Using NCc1ccc(Cl)c(Oc2cc(Cl)cc(Br)c2)c1F, CCCC[Zn+] to produce CCCCc1cc(Cl)cc(Oc2c(Cl)ccc(CN)c2F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.