1421
Although suprofen has been associated with the development of acute renal failure in greater than 100 subjects , the mechanism of damage remains unclear .
 Chemical: suprofen; Disease: acute renal failure
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: suprofen; Disease: acute renal failure