[{"from": "human", "value": "Describe this molecule. [C][C][=Branch2][Branch1][Ring2][=C][C][O][C][=C][Branch2][Ring2][#Branch2][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=C][O][C][=C][C][=C][Branch1][=N][C][=C][C][Branch1][Ring2][O][Ring1][=Branch1][Branch1][C][C][C][C][=Branch1][Branch2][=C][Ring1][N][C][Ring1][S][=O][O][C][O][C][C]"}, {"from": "gpt", "value": "The molecule is a methoxyisoflavone that is isoflavone substituted by methoxy groups at positions 5 and 3', a prenyloxy 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 and a plant metabolite."}]