1588
Sirolimus is a novel immunosuppressant with potent antiproliferative actions through its ability to inhibit the raptor - containing mammalian target of rapamycin protein kinase .
 Sirolimus, rapamycin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Sirolimus, rapamycin