[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C@@H1][C@H1][Branch2][Ring1][N][C@H1][Branch2][Ring1][#Branch1][C@@H1][Branch1][Ring2][O][Ring1][Branch1][N][C][=N][C][=C][Branch1][=Branch2][N][=C][N][=C][Ring1][=Branch1][Ring1][=Branch2][N][O][O][P][=Branch1][C][=O][Branch1][Branch1][O][Ring2][Ring1][Branch1][O]"}, {"from": "gpt", "value": "The molecule is a second messenger molecule comprised of an adenine ribonucleotide bearing a phosphate group bound to the oxygen molecules at the 3' and 5' positions of the sugar moiety. Cyclic AMP, which is synthesized from ATP by the intracellular enzyme adenylate cyclase, modulates the activity of several hormone-dependent signal transduction pathways."}]