[{"from": "human", "value": "Could you 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][NH3+1][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an L-alpha-amino acid anion that is the conjugate base of O(4')-sulfo-L-tyrosine; major species ar pH 7.3. It has a role as a human metabolite. It is a conjugate base of an O(4')-sulfo-L-tyrosine."}]