[{"from": "human", "value": "Please give me some details about this molecule. [C][C@@H1][C@H1][Branch2][Ring1][=N][C@H1][Branch2][Ring1][Branch2][C@@H1][Branch1][Ring2][O][Ring1][Branch1][N][C][=N][C][=C][Ring1][Branch1][N][=C][Branch1][=Branch1][N][C][Ring1][=Branch1][=O][N][O][O][P][=Branch1][C][=O][Branch2][Ring2][S][O][C][C@@H1][C@H1][Branch2][Ring1][=N][C@H1][Branch2][Ring1][Branch2][C@@H1][Branch1][Ring2][O][Ring1][Branch1][N][C][=N][C][=C][Ring1][Branch1][N][=C][Branch1][=Branch1][N][C][Ring1][=Branch1][=O][N][O][O][P][=Branch1][C][=O][Branch1][Branch1][O][Ring2][Ring2][N][O][O]"}, {"from": "gpt", "value": "The molecule is a cyclic purine dinucleotide that is the 3',5'-cyclic dimer of MP. It has a role as an immunomodulator and a signalling molecule. It is a guanyl ribonucleotide and a cyclic purine dinucleotide. It is a conjugate acid of a c-di-GMP(2-)."}]