[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an isoindole. It is a tautomer of a 2H-isoindole."}, {"from": "gpt", "value": "[C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=N][Ring1][=Branch2]"}]