[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a natural product found in Elysia crispata with data available."}, {"from": "gpt", "value": "[C][C][C][=Branch1][C][=O][C@H1][Branch1][C][C][C@H1][Branch2][Ring2][S][C][=Branch1][C][=C][C@@H1][C@][Branch1][S][C][=C][Branch1][O][C@@H1][C@][Ring1][=Branch1][Branch1][Ring2][O][Ring1][Ring1][C][C][Branch1][C][C][C][=C][Branch1][P][C][=Branch1][C][=O][C][=Branch1][=Branch2][=C][Branch1][Ring2][O][Ring1][#Branch1][O][C][C][C][O]"}]