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