[{"from": "human", "value": "Provide a description of this molecule. [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][#Branch2][=O]"}, {"from": "gpt", "value": "The molecule is a simplest member of the class of isoflavones that is 4H-chromen-4-one in which the hydrogen at position 3 is replaced by a phenyl group."}]