[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule appears as white to off-white crystals or powder with a fishy odor. Initial pH (2% aqueous solution) 3.0-4.0. "}, {"from": "gpt", "value": "[C][N][Branch1][Ring2][C][C][Cl][C][C][Cl].[Cl]"}]