[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is an indoledione consisting of isatin carrying an N-acetyl substituent. It is functionally related to an isatin."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][Ring1][#Branch2][=O]"}]