18386
On the sixth day , the cats were killed to determine the histological renal damage , renal function , the accumulation of arsenic , and antioxidant activities in the kidney .
 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