[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a white to yellow needle-like crystalline solid with a sweetish odor. (NIOSH, 2022)"}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1]"}]