[{"from": "human", "value": "What can you tell me about this molecule? [C][Branch2][Ring1][O][C][C@@H1][Branch2][Ring1][Branch1][/C][=C][\\C][=C][\\C][=C][\\C@@H1][Branch1][O][C][/C][=C][\\C][C][C][=Branch1][C][=O][O][O][O][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an octadecatetraenedioic acid obtained by oxidative degradation of leukotriene B4, a process that results in the removal of C19 and C20 with concomitant dioxygenation of C18. It has a role as a metabolite. It is functionally related to a leukotriene B4."}]