[{"from": "human", "value": "Provide a brief overview of this molecule. [C][S][C][C][C][C][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][N][O]"}, {"from": "gpt", "value": "The molecule is an N-hydroxy-L-polyhomomethioninate that is the conjugate base of N-hydroxy-L-tetrahomomethionine, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a N-hydroxy-L-polyhomomethioninate and a N-hydroxytetrahomomethioninate. It is a conjugate base of a N-hydroxy-L-tetrahomomethionine."}]