You are anesthetizing a 60-year-old woman for coronary artery bypass surgery. After completion of the surgery, her left ventricular function is hyperdynamic on TEE, her cardiac output is increased to 6 liters/minute but her blood pressure is 85/50 mmHg. Due to her left ventricular hypertrophy you want to increase her blood pressure to maintain end organ perfusion. Which of the following agents would be the BEST choice at this time to achieve these goals?

A) Norepinephrine
B) Epinephrine
C) Dobutamine
D) Dopamine