[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is an alpha-diketone that is ethane-1,2-dione substituted by phenyl groups at positions 1 and 2 respectively. It is an alpha-diketone and an aromatic ketone."}]