[{"from": "human", "value": "What can you tell me about this molecule? [C][C@@H1][Branch2][Ring1][#Branch1][C@H1][Branch1][=Branch2][P][=Branch1][C][=O][Branch1][C][O-1][O-1][S][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1][O]"}, {"from": "gpt", "value": "The molecule is an organophosphonate oxoanion obtained by deprotonation of the carboxy and phosphonate groups as well as protonation of the amino group of (1R,2S)-1-(S-L-cysteinyl)-2-hydroxypropylphosphonate; major species at pH 7.3. It is an organophosphonate oxoanion and an alpha-amino-acid anion. It is a conjugate base of a (1R,2S)-1-(S-L-cysteinyl)-2-hydroxypropylphosphonate."}]