[{"from": "human", "value": "Describe this molecule. [C][N][C][=N+1][Branch1][P][C][=C][Ring1][Branch1][C][=Branch1][C][=O][N][C][=Branch1][Ring2][=N][Ring1][#Branch1][N][C@H1][C@@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is a positively charged methylguanosine in which a single methyl substituent is located at position 7. It has a role as a metabolite. It is a methylguanosine and an organic cation."}]