[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][C][=Branch2][Ring1][Ring1][=C][Branch1][#C][C][=C][Ring1][=Branch1][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1][I][O]"}, {"from": "gpt", "value": "The molecule is zwitterionic form of 3-iodo-L-tyrosine having an anionic carboxy group and a protonated amino group; major species at pH 7.3. It is a tautomer of a 3-iodo-L-tyrosine."}]