[{"from": "human", "value": "Provide a description of this molecule. [C][C][Branch2][Ring2][#Branch2][C][Branch2][Ring2][Branch1][C][Branch1][#Branch2][O][C][Ring1][=Branch1][C][=Branch1][C][=O][O][O][C][C][Branch2][Ring1][C][C][Branch1][=C][C][Branch1][#Branch2][O][C][Ring1][=Branch1][C][=Branch1][C][=O][O][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a natural product found in Ecklonia cava, Padina tetrastromatica, and other organisms with data available."}]