14654
Knockdown of the ER stress response protein activating transcription factor 4 ( ATF4 ) significantly reduced vemurafenib - induced apoptosis .
 Chemical: vemurafenib
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: vemurafenib