A 56-yeаr-оld femаle with nоn-ischemic heаrt failure and hypertensiоn presents to the office for a routine follow-up. Her last hospitalization for a congestive heart failure (CHF) with HFrEF (reduced ejection fraction) exacerbation was two years ago. Currently, she has is not complaining of shortness of breath, orthopnea, leg edema, or chest pain. She has been following a low-salt diet and does not drink alcohol. Her medications are carvedilol and a baby aspirin. Her home blood pressure measurements have ranged from 140-150/80-90 mmHg. Her physical exam findings are notable for a blood pressure of 150/90 mmHg. Her pulse is 60 beats/minute with S1S2 with no murmurs or gallops. Her respiratory rate is 12/minute. Her jugular venous pulse and pressure (JVP) is within the normal range and her lungs are clear bilaterally. Her point of maximal impulse (PMI) is laterally displaced. What medication should you add that can also improve her mortality from heart failure?