[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=O][C][=Branch1][C][=O][C][=N][C][=C][Branch1][Branch1][N][C][Ring1][=Branch1][N][=C][Branch1][=Branch1][N][C][Ring1][Branch2][=O][N]"}, {"from": "gpt", "value": "The molecule is a 7,8-dihydropterin compound having an amino substituent at the 2-position, an oxo substituent at the 4-position and a pyruvoyl group at the 6-position."}]