[{"from": "human", "value": "Provide a description 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][N][I][O][C][=C][C][=Branch1][N][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][I][O][I]"}, {"from": "gpt", "value": "The molecule is a 3,3',5'-triiodothyronine. It is a tautomer of a 3,3',5'-triiodo-L-thyronine zwitterion."}]