[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a benzimidazole. It is a tautomer of a 1H-benzimidazole, a 2H-benzimidazole and a 3aH-benzimidazole."}, {"from": "gpt", "value": "[C][C][=C][C][=C][C][Ring1][=Branch1][=N][C][=N][Ring1][Branch1]"}]