[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule appears as colorless to yellow powder or white crystalline solid. Pungent odor. "}, {"from": "gpt", "value": "[C][=C][C][=Branch1][Branch2][=C][C][=C][Ring1][=Branch1][C][=O][Cl]"}]