[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an N-hydroxy-L-polyhomomethionine in which there are four methylene groups between the alpha-carbon and sulfur atoms. It is a N-hydroxy-L-polyhomomethionine and a N-hydroxydihomomethionine. It is a conjugate acid of a N-hydroxy-L-dihomomethioninate."}, {"from": "gpt", "value": "[C][S][C][C][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][O]"}]