[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a member of pyrimidines."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=C][N][=C][Branch1][Branch1][N][=C][Ring1][=Branch1][N][/N][=C][/C][=C][Branch1][#Branch2][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][Br][O]"}]