[{"from": "human", "value": "What can you tell me about this molecule? [C][=C][C][=Branch2][Ring1][Ring2][=C][Branch1][Branch2][C][=C][Ring1][=Branch1][C][C][NH3+1][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is a zwitterion obtained by transfer of a proton from the sulfonyl to the amino group of dopamine 3-O-sulfate; major species at pH 7.3. It has a role as a human blood serum metabolite and a human urinary metabolite. It is a tautomer of a dopamine 3-O-sulfate."}]