[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a methyladenine that is 9H-purin-6-amine substituted by a methyl group at the amino nitrogen. It has a role as a human metabolite. It is a 6-alkylaminopurine and a methyladenine."}, {"from": "gpt", "value": "[C][N][C][=N][C][=N][C][=C][Ring1][=Branch1][N][C][=N][Ring1][Branch1]"}]