[{"from": "human", "value": "Describe this molecule. [C][=C][Branch2][Ring1][S][C][=C][Branch2][Ring1][#Branch2][C][=Branch1][Branch1][=C][Ring1][=Branch1][I][O][C][=C][C][=Branch1][N][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][I][O][I][I][C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is the D-enantiomer of thyroxine. It is a thyroxine and a D-tyrosine derivative. It is an enantiomer of a L-thyroxine."}]