[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is guanosine with the hydrogen on the amine at position N-2 substituted with a methyl group. It has a role as a metabolite."}, {"from": "gpt", "value": "[C][N][C][=N][C][=C][Branch1][Branch2][C][=Branch1][C][=O][N][Ring1][#Branch1][N][=C][N][Ring1][Branch2][C@H1][C@@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][O][O]"}]