[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule appears as light yellow or cream-colored crystals or a brown crystalline solid. As a reagent in the separation of copper and iron."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][Branch1][Ring1][N][=O][O-1].[NH4+1]"}]