[{"from": "human", "value": "Could you provide a description of this molecule? [C][N][C][=Branch1][C][=O][C][=C][Branch1][=Branch1][N][=C][Ring1][#Branch1][N][N][Branch1][Branch1][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]"}, {"from": "gpt", "value": "The molecule is guanosine substituted with a methyl group at position N-1. It has a role as a metabolite."}]