[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is an isoprostane that is prostaglandin F2alpha having inverted stereochemistry at the 8-position. It has a role as a bronchoconstrictor agent, a vasoconstrictor agent and a biomarker. It is functionally related to a prostaglandin F2alpha. It is a conjugate acid of an 8-epi-prostaglandin F2alpha(1-)."}, {"from": "gpt", "value": "[C][C][C][C][C][C@@H1][Branch2][Ring1][N][/C][=C][/C@H1][C@@H1][Branch2][Ring1][Ring2][C][C@@H1][Branch1][#C][C@H1][Ring1][Branch1][C][/C][=C][\\C][C][C][C][=Branch1][C][=O][O][O][O][O]"}]