[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][C][=Branch1][=C][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][N][N+1][=Branch1][C][=O][O-1][N]"}, {"from": "gpt", "value": "Almost black needles with dark-green luster or black powder. "}]