8280
INTRODUCTION : The mTOR ( mechanistic target of rapamycin , formerly known as mammalian target of rapamycin ) kinase is centrally involved in the regulation of cell growth and metabolism in response to intra - and extracellular energetic stimuli and growth factors .
 Chemical: rapamycin; Chemical: rapamycin
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: rapamycin; Chemical: rapamycin