[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a natural product found in Leathesia marina with data available."}, {"from": "gpt", "value": "[C][C][O][C][C][=C][C][=Branch2][Ring2][#Branch1][=C][Branch2][Ring2][C][C][=Branch2][Ring1][=N][=C][Ring1][=Branch1][O][C][=C][Branch2][Ring1][Ring1][C][=Branch1][#C][=C][Branch1][O][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][O][C][C][Br][Br][O][Br][O][O]"}]