[{"from": "human", "value": "Please give me some details about this molecule. [C][C][N][C][=C][Branch2][Ring1][=Branch2][C][=Branch1][C][=O][C][=C][N][=C][Branch1][#Branch1][N][=C][Ring1][=Branch1][Ring1][O][N][C][C][N][C][C][Ring1][=Branch1][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a pyridopyrimidine antibiotic derivative of piromidic acid with activity against gram-negative bacteria, as well as some gram-positive bacteria. Pipemidic acid exhibits greater activity than piromidic acid or nalidixic acid and shows moderate activity against bacteria that are resistant to piromidic acid and nalidixic acid."}]