text: <unk>  is an antibiotic, anti-neoplastic agent that is FDA approved for the prophylaxis of organ rejection in patients receiving allogeneic renal, cardiac or hepatic transplants. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include diarrhea, leukopenia, sepsis, vomiting, opportunistic infections.
option_0: Mycophenolate
option_1: Rituximab
option_2: Cyclophosphamide
option_3: Cyclosporine 
option_4: Lenalidomide
option_5: Dihydroergocristine
option_6: Sirolimus
option_7: Tacrolimus 