[{"from": "human", "value": "Provide a description of this molecule. [C][=C][Branch1][=C][C][=C][Branch1][=Branch2][C][=Branch1][Branch1][=C][Ring1][=Branch1][I][O][I][C][C][Branch2][Ring1][P][C][=Branch1][C][=O][N][C][Branch2][Ring1][Ring1][C][C][=C][C][=Branch1][N][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][I][O][I][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a dipeptide comprising tyrosine with a tyrosyl residue attached to the alpha-nitrogen and with each tyrosine residue being substituted at the 3- and 5-positions by iodine. It is a dipeptide and an organoiodine compound. It is functionally related to a tyrosine."}]