7988
A dose - dependent decrease in viability was observed in several mouse and human tumor cell lines , and knockdown of ATF4 significantly increased the antiproliferative effects of E235 .
 Chemical: E235
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: E235