[{"from": "human", "value": "Please give me some details about this molecule. [C][C][C][C][C][C@@H1][Branch2][Ring1][=C][/C][=C][/C@@H1][C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C][C][Branch1][Ring2][O][Ring1][=Branch1][O][O][C][/C][=C][\\C][C][C][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is an eicosanoid and biologically inactive metabolite of thromboxane A2. Thromboxane B2 is released during anaphylaxis. As thromboxane A2 has a short half-life, the levels of thromboxane B2 can be used to indirectly measure the production of thromboxane A2"}]