[{"from": "human", "value": "Provide a description of this molecule. [C][C@H1][Branch2][Ring2][#Branch1][C@@H1][Branch2][Ring1][Ring1][C@H1][Branch1][Branch1][C][Ring1][Branch1][=O][C][/C][=C][\\C][C][C][C][=Branch1][C][=O][O][/C][=C][/C@H1][Branch1][O][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][O][O]"}, {"from": "gpt", "value": "The molecule is a prostanoid that is 18,19,20-trinor-prostaglandin E2 in which one of the terminal methyl hydrogens has been replaced by a phenyl group. It has a role as a human metabolite and a prostaglandin receptor agonist. It is a prostanoid, an alicyclic ketone, a beta-hydroxy ketone, a secondary alcohol, an oxo monocarboxylic acid, a hydroxy monocarboxylic acid and an olefinic compound."}]