[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=N][N][=C][Ring1][#Branch1][N][N]"}, {"from": "gpt", "value": "The molecule is an Arteriolar Vasodilator. The physiologic effect of hydralazine is by means of Arteriolar Vasodilation."}]