[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Callophycus serratus with data available."}, {"from": "gpt", "value": "[C][C][=Branch2][Branch1][C][=C][C][C][C@@][Branch2][Ring2][#Branch2][C@H1][C][C][C][=Branch1][C][=C][C@H1][Branch1][=N][C@@][Ring1][#Branch1][Branch1][#Branch1][C][C][C@H1][Ring1][O][Br][C][C][C][=C][Branch1][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][O][C][C]"}]