[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a chemical compound of cyanide. It is a reagent used in reversed phase high-performance liquid chromatography (HPLC). (L197)"}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][=C][=S]"}]