[{"from": "human", "value": "Provide a description of this molecule. [C][=C][C][=Branch1][S][=C][C][=C][Ring1][=Branch1][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][N][O-1].[Na+1].[Na+1]"}, {"from": "gpt", "value": "The molecule is the disodium salt of L-tyrosine. It contains a L-tyrosinate(2-)."}]