2028
Thus , prenatal arsenic exposure causes delayed temporal hepatic Hsp70 induction , suggesting a transient state of stress in livers which can predispose the mice to developing liver disease .
 Chemical: arsenic
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: arsenic