3650
Effect of aspirin on N - [ 4 - ( 5 - nitro - 2 - furyl ) - 2 - thiazolyl ] - formamide - induced epithelial proliferation in the urinary bladder and forestomach of the rat .
 aspirin, N - [ 4 - ( 5 - nitro - 2 - furyl ) - 2 - thiazolyl ] - formamide
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 aspirin, N - [ 4 - ( 5 - nitro - 2 - furyl ) - 2 - thiazolyl ] - formamide