[{"from": "human", "value": "Describe this molecule. [C][C@@H1][C@H1][Branch2][Ring1][=Branch2][C@H1][Branch2][Ring1][Ring2][C@@H1][Branch1][Ring2][O][Ring1][Branch1][N][C][=N][C][=C][N][=C][N][=C][Ring1][=Branch1][Ring1][=Branch2][O][O][P][=Branch1][C][=O][Branch1][Branch1][O][Ring2][Ring1][Ring2][O]"}, {"from": "gpt", "value": "The molecule is a nucleoside 3',5'-cyclic phosphate that is 3',5'-cyclic AMP in which the exocyclic amino group on the purine fragment is replaced by hydrogen It is a 3',5'-cyclic purine nucleotide and a nucleoside 3',5'-cyclic phosphate."}]