[{"from": "human", "value": "Could you give me a brief overview 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][Branch2][Ring1][Ring2][C@H1][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][P][=Branch1][C][=O][Branch1][Ring2][O][Ring1][Branch2][O][O]"}, {"from": "gpt", "value": "The molecule is a 3',5'-cyclic purine nucleotide having 1-methylguanine as the nucleobase. It is functionally related to a 3',5'-cyclic GMP."}]