1589
Sirolimus represents a major therapeutic advance in the prevention of acute renal allograft rejection and chronic allograft nephropathy .
 Chemical: Sirolimus; Disease: nephropathy
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: Sirolimus, nephropathy 
Answer:
 Chemical: Sirolimus; Disease: nephropathy