[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a tetramethylbenzene that consists of benzene substituted by methyl groups at positions 1, 2, 3 and 4."}, {"from": "gpt", "value": "[C][C][=C][Branch1][=N][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C][C]"}]