[{"from": "human", "value": "Describe this molecule. [C][C][=C][C][=Branch2][Ring1][Branch1][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][O][/C][=Branch1][=Branch2][=C][/C][C][=C][Branch1][C][C][C][/C][O]"}, {"from": "gpt", "value": "The molecule is a natural product found in Halichondria with data available."}]