[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][C][C][/C][=C][/C][=C][/C][=C][C@@H1][Branch1][#C][C@@H1][\\-Ring1][Branch1][C][/C][=C][\\C][C][C][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is a prostaglandin D derivative that is prostaglandin D2 lacking the 15-hydroxy group and having C=C double bonds at positions 12(13) and 14(15). It is functionally related to a prostaglandin D2."}]