[{"from": "human", "value": "Describe this molecule. [C][C][C][C][C][=N][C][Branch1][#Branch1][C][C][C][C][Ring1][Branch1][C][=Branch1][C][=O][N][Ring1][#Branch2][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=N][N][N][=N][Ring1][Branch1]"}, {"from": "gpt", "value": "The molecule is an Angiotensin 2 Receptor Blocker. The mechanism of action of irbesartan is as an Angiotensin 2 Receptor Antagonist."}]