[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is conjugate base of 15-dehydro-prostaglandin D2. It is a conjugate base of a 15-dehydro-prostaglandin D2."}, {"from": "gpt", "value": "[C][C][C][C][C][C][=Branch1][C][=O][/C][=C][/C@@H1][C@H1][Branch1][#Branch2][C@H1][Branch1][=Branch1][C][C][Ring1][Branch1][=O][O][C][/C][=C][\\C][C][C][C][=Branch1][C][=O][O-1]"}]