[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch1][O][C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1][C][NH3+1]"}, {"from": "gpt", "value": "The molecule is the conjugate acid of D-ornithine having an anionic carboxy group and both amino groups protonated; major species at pH 7.3. It has a role as a human metabolite. It is an ammonium ion derivative, an amino-acid cation and an ornithinium(1+). It is a conjugate acid of a D-ornithine."}]