Using CCCC(=O)C(Cc1ccc(-c2ccccc2C#N)nc1)C(=O)OC, [NH4+] to produce CCC/C(N)=C(\Cc1ccc(-c2ccccc2C#N)nc1)C(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.