[{"from": "human", "value": "Generate a molecule based on the given description. Plates (in ethanol) or brown-green powder. "}, {"from": "gpt", "value": "[C][C][=C][C][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][#Branch2][=C][Branch1][Branch1][C][=C][Ring1][=C][C][=C][Ring1][Branch2]"}]