[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule appears as fine dark maroon crystals or dark brown powder. "}, {"from": "gpt", "value": "[C][=C][C][=Branch1][=C][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][N][N+1][=Branch1][C][=O][O-1][N][C][C][O]"}]