[{"from": "human", "value": "What can you tell me about this molecule? [C][=C][C][=Branch1][O][=N][N][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][N][N]"}, {"from": "gpt", "value": "The molecule is a pyridazine that has found use as an antihypertensive agent It was once marketed in France under the tradename Normatensyl."}]