9057
Tacrolimus ( TAC ) is an immunosuppressant that has been widely used alone or in combination with prednisone ( PRED ) to prevent acute rejection after organ transplantation .
 Chemical: Tacrolimus; Chemical: TAC; Chemical: prednisone; Chemical: PRED
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Tacrolimus; Chemical: TAC; Chemical: prednisone; Chemical: PRED