[{"from": "human", "value": "Describe this molecule. [C][C][=Branch2][Branch1][O][=C][C][C][C@@][Branch2][Branch1][Ring1][C][C][C][=C][Branch1][=N][C][=C][C][=Branch1][#Branch1][=C][Ring1][=Branch1][O][Ring1][#Branch2][O][C@@H1][C][C][=Branch1][C][=O][C][=C][Branch1][Ring2][O][Ring1][#Branch1][C][=C][Branch1][#C][C][=Branch1][Branch1][=C][Ring1][#Branch1][O][C][C][=C][Branch1][C][C][C][O][C][C]"}, {"from": "gpt", "value": "The molecule is a trihydroxyflavanone that is (2S)-flavanone substituted by hydroxy groups at positions 5, 7 and 4', a prenyl group at position 6 and a (2S)-2-methyl-2-(4-methylpent-3-en-1-yl)tetrahydro-2H-pyran ring fused across positions 2' and 3'. Isolated from the leaves of Macaranga tanarius, it exhibits antineoplastic activity. It has a role as a metabolite and an antineoplastic agent. It is a trihydroxyflavanone and a member of 4'-hydroxyflavanones."}]