[{"from": "human", "value": "Describe this molecule. [C][C][=C][C][=Branch2][Ring1][C][=N][C][=Branch1][Ring2][=N][Ring1][=Branch1][N][/N][=C][/C][=C][C][=C][O][Ring1][Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a member of pyrimidines."}]