Using C[C@H](Nc1nc(Cl)ncc1C#N)c1nc2ccn(C)c2cc1-c1ccnn1C, [NH4+] to produce C[C@H](Nc1nc(N)ncc1C#N)c1nc2ccn(C)c2cc1-c1ccnn1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.