[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a prostaglandins E. It is functionally related to a prostaglandin E2. It is a conjugate acid of a 15-dehydro-prostaglandin E2(1-)."}, {"from": "gpt", "value": "[C][C][C][C][C][C][=Branch1][C][=O][/C][=C][/C@H1][C@@H1][Branch2][Ring1][Ring2][C][C][=Branch1][C][=O][C@@H1][Ring1][=Branch1][C][/C][=C][\\C][C][C][C][=Branch1][C][=O][O][O]"}]