[{"from": "human", "value": "Provide a description of this molecule. [C][C][C@H1][Branch1][C][C][C@@H1][Branch2][=Branch1][C][C][=Branch1][C][=O][N][C@@H1][Branch1][=Branch2][C][C][=C][N][=C][N][Ring1][Branch1][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][=Branch2][C][C][=C][N][=C][N][Ring1][Branch1][C][=Branch1][C][=O][O-1][N][C][=Branch1][C][=O][C@H1][Branch1][=N][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][N][C][=Branch1][C][=O][C@H1][Branch1][=Branch1][C][Branch1][C][C][C][N][C][=Branch1][C][=O][C@H1][Branch1][#Branch2][C][C][C][NH1+1][=C][Branch1][C][N][N][N][C][=Branch1][C][=O][C@H1][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][NH3+1]"}, {"from": "gpt", "value": "The molecule is a peptide zwitterion that is the dizwitterionic form of angiotensin (1-9) having both carboxy groups deprotonated and the aspartyl amino group and arginine side-chain protonated. It is the major species at pH 7.3. It has a role as a human metabolite, an antihypertensive agent, a cardioprotective agent and a rat metabolite. It is a tautomer of an angiotensin (1-9)."}]