A 22-year-old female, Neeta presented to you with complaints of a headache and vomiting for 2 months. She is having amenorrhea but the urine pregnancy test is negative. She also complained of secretion of milk from the breasts. A provisional diagnosis of hyperprolactinemia was made and MRI was suggested. MRI confirmed the presence of a large pituitary adenoma. Neeta was advised surgery, however, she is not willing to undergo surgery. Which of the following medications is most likely to be prescribed?