[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a perimidine. It is a tautomer of a 1H-perimidine, a 4H-perimidine and a 6H-perimidine."}, {"from": "gpt", "value": "[C][=C][C][=C][C][=C][C][=N][C][=N][C][=Branch1][Ring2][=C][Ring1][N][C][Ring1][O][Ring1][#Branch1]"}]