[{"from": "human", "value": "Describe this molecule. [C][C@][C][C][C][=Branch1][C][=O][C@H1][Branch1][#Branch2][C@@H1][Ring1][#Branch1][C][C][C][Ring1][#Branch2][=O][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a dioxo monocarboxylic acid anion that is the conjugate base of 9,17-dioxo-1,2,3,4,10,19-hexanorandrostan-5-oic acid, arising from deprotonation of the carboxy group; major species at pH 7.3. It has a role as a bacterial metabolite. It is a conjugate base of a 9,17-dioxo-1,2,3,4,10,19-hexanorandrostan-5-oic acid."}]