[{"from": "human", "value": "Could you provide a description of this molecule? [C][C@H1][Branch1][Ring2][C][C][NH3+1][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1]"}, {"from": "gpt", "value": "The molecule is an amino-acid cation obtained by deprotonation of the carboxy group and protonation of the two amino groups of (3R)-3-methyl-D-ornithine; major species at pH 7.3. It is a conjugate acid of a (3R)-3-methyl-D-ornithine."}]