[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a deuterated compound, a methylbenzene, a member of toluenes and a volatile organic compound."}, {"from": "gpt", "value": "[2H][C][=C][Branch2][Ring1][=Branch2][C][=Branch2][Ring1][Ring2][=C][Branch1][=Branch2][C][=Branch1][Branch1][=C][Ring1][=Branch1][2H][2H][C][Branch1][C][2H][Branch1][C][2H][2H][2H][2H]"}]