[{"from": "human", "value": "Describe this molecule. [C][=C][C][=Branch1][S][=C][C][=C][Ring1][=Branch1][C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1]"}, {"from": "gpt", "value": "The molecule is an optically active form of O(4)-phosphonatotyrosine(2-) having D-configuration. It is an enantiomer of an O(4)-phosphonato-L-tyrosine(2-)."}]