[{"from": "human", "value": "Describe this molecule. [C][C][=C][Branch2][Ring1][Branch1][N][=C][C][=Branch1][Ring2][=N][Ring1][=Branch1][C][=Branch1][C][=O][N][C][=Branch1][Ring2][=N][Ring1][Branch2][N][C]"}, {"from": "gpt", "value": "The molecule is a 2-amino-4-hydroxypteridine carrying two additional methyl substituents at positions 6 and 7."}]