[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a member of pyrimidines."}, {"from": "gpt", "value": "[C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][=C][Branch1][=N][N][=C][Ring1][Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][N][/N][=C][/C][=C][C][=C][C][=C][Ring1][=Branch1][F]"}]