[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a 3,1-benzoxazin-1,4-dione having an N-methyl substituent."}, {"from": "gpt", "value": "[C][N][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][Ring1][O][=O]"}]