[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][Ring1][C][N][C@@H1][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][O]"}, {"from": "gpt", "value": "The molecule is an L-ornithine substituted at position 3 by a hydroxy group (the 3S-erythro-stereoisomer). It is a L-ornithine derivative and a non-proteinogenic alpha-amino acid. It is a conjugate base of a (3S)-3-hydroxy-L-ornithine(1+)."}]