[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][=N][C][=Branch1][C][=N][N][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][#Branch1][N][O]"}, {"from": "gpt", "value": "A potent direct-acting peripheral vasodilator (vasodilator agents) that reduces peripheral resistance and produces a fall in blood pressure."}]