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