2434
Apoptotic and necrotic events were partially blocked by NAC , indicating ROS played a substantial role in epothilone - induced apoptosis .
 Chemical: NAC; Chemical: epothilone
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: NAC, epothilone 
Answer:
 Chemical: NAC; Chemical: epothilone