[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is adenine substituted with a methyl group at position N-7. It has a role as a metabolite."}, {"from": "gpt", "value": "[C][N][C][=N][C][=N][C][=N][C][=Branch1][=Branch1][=C][Ring1][=Branch1][Ring1][=Branch2][N]"}]