Using Brc1cnc2nnn(Cc3ccc4ncccc4c3)c2n1, N#C[Zn]C#N to produce N#Cc1cnc2nnn(Cc3ccc4ncccc4c3)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.