[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=C][C][=C][C][=C][C][Ring1][=Branch1][=C][Branch1][=Branch2][C][Ring1][#Branch2][C][=Branch1][C][=O][O][C][=C][C][Ring1][#Branch2][=C][C][=C][Ring1][=C]"}, {"from": "gpt", "value": "The molecule is a member of phenanthrenes."}]