A 48 year old African American male presents to the emergency department with headache, blurry vision, and mild chest pains. His temperature is 37.0 C, blood pressure 250/150, heart rate 80, and respirations 18. Physical examination reveals normal breath sounds, an S4 heart sound, and a normal neurological examination. Laboratory studies show a creatinine of 3.5 and a mild elevation in troponin I. ECG is normal sinus rhythm with left ventricular hypertrophy. He is started on a nitroglycerine drip to control his blood pressure. Which of the following is his target blood pressure at this time?