[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a pyrroline."}, {"from": "gpt", "value": "[C][C][O][C][=Branch1][C][=O][C][=C][Branch2][Ring1][=C][N][Branch1][S][C][=Branch1][C][=O][/C][\\-Ring1][=Branch1][=C][\\C][=C][C][=C][S][Ring1][Branch1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C]"}]