[{"from": "human", "value": "Describe this molecule. [C][S][C][C][C][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N][Branch1][C][O][O]"}, {"from": "gpt", "value": "The molecule is an N,N-dihydroxy-alpha-amino acid having a 5-thiahexyl substituent at the 2-position. It is functionally related to a dihomomethionine. It is a conjugate acid of a N,N-dihydroxydihomomethioninate."}]