[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a member of penems and a member of oxolanes."}, {"from": "gpt", "value": "[C][C][Branch2][Ring1][#C][C][C@@H1][N][Branch1][Branch1][C][Ring1][Ring2][=O][C][=Branch1][=C][=C][Branch1][Ring2][S][Ring1][#Branch1][C@H1][C][C][C][O][Ring1][Branch1][C][=Branch1][C][=O][O-1][O]"}]