[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule appears as dark gray to black flakes or brown-black small chip-like solid with an aromatic odor. "}, {"from": "gpt", "value": "[C][C][Branch1][C][C][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][C][=C][C][=C][C][=C][Ring1][=Branch1]"}]