[{"from": "human", "value": "Describe this molecule. [C][C][O][C][=Branch1][C][=O][C@H1][Branch1][O][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C@H1][C][C][C][N][C][C][C][C@H1][Branch1][Branch2][N][Ring1][=Branch1][C][Ring1][O][=O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a pyridazinodiazepine resulting from the formal condensation of the carboxy group of cilazaprilat with ethanol. It is a drug used in the treatment of hypertension and heart failure. It has a role as a prodrug, an antihypertensive agent and an EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor. It is an ethyl ester, a pyridazinodiazepine and a dicarboxylic acid monoester. It is functionally related to a Cilazaprilat."}]