[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch2][Branch1][=Branch1][C][=C][C][=C][C][=C][Branch1][Branch2][C][=C][Ring1][=Branch1][O][Ring1][#Branch2][O][C][=C][Branch1][Branch1][C][Ring1][=Branch2][=O][C][=C][C][=Branch2][Ring1][=Branch1][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][C@H1][Branch1][=Branch2][C][Branch1][C][C][Branch1][C][C][O][O][O][C][C]"}, {"from": "gpt", "value": "The molecule is a methoxyisoflavone that is isoflavone substituted by a methoxy group at position 3', a 2R,3-dihydroxy-3-methylbutoxyl group at position 4' and a dimethylpyran ring fused across positions 6 and 7. Isolated from Antheroporum pierrei, it exhibits antineoplastic activity. It has a role as a metabolite, a plant metabolite and an antineoplastic agent."}]