[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a nitrogen mustard and an aminouracil."}, {"from": "gpt", "value": "[C][=C][Branch1][=N][C][=Branch1][C][=O][N][C][=Branch1][C][=O][N][Ring1][Branch2][N][Branch1][Ring2][C][C][Cl][C][C][Cl]"}]