[{"from": "human", "value": "Describe this molecule. [C][N][Branch1][C][C][C][=C][Branch2][Ring1][Branch2][C][=C][Branch1][#Branch1][C][=C][Ring1][=Branch1][O][C][C][C][=C][N][=C][Branch1][=Branch1][N][=C][Ring1][=Branch1][N][N][O][C]"}, {"from": "gpt", "value": "The molecule is a long-acting, selective, reversible inhibitor of dihydrofolate reductase with application as a broad-spectrum antibacterial agent in animals."}]