[{"from": "human", "value": "What can you tell me about this molecule? [C][N][C][=C][Branch1][=Branch1][N][C][Ring1][Branch1][=O][N][C][=Branch1][C][=O][N][Branch1][Branch1][C][Ring1][#Branch2][=O][C]"}, {"from": "gpt", "value": "The molecule is an oxopurine that is 7,9-dihydro-1H-purine-2,6,8(3H)-trione substituted by methyl groups at N-1 and N-7. It is a metabolite of caffeine and is often found in human urine samples. It has a role as a human xenobiotic metabolite and a mouse metabolite. It is functionally related to a 7,9-dihydro-1H-purine-2,6,8(3H)-trione. It is a conjugate acid of a 1,7-dimethylurate anion."}]