[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is an organoiodine compound consisting of uracil having an iodo substituent at the 5-position. It has a role as an antimetabolite. It is functionally related to a uracil."}, {"from": "gpt", "value": "[C][=C][Branch1][=N][C][=Branch1][C][=O][N][C][=Branch1][C][=O][N][Ring1][Branch2][I]"}]