2061
Both the iNOS inhibitor and IL - 6 - neutralizing antibody effectively reversed the increased iNOS expression , decreased PKC phosphorylation , increased bladder weight , and hemorrhagic cystitis in rats 24 h after acrolein treatment .
 Chemical: acrolein
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: acrolein