3368
Moreover , total protein , leukotriene ( LT ) B ( 4 ) , prostaglandin ( PG ) E ( 2 ) and pro - inflammatory cytokine levels were increased .
 Chemical: leukotriene ( LT ) B ( 4 ); Chemical: prostaglandin ( PG ) E ( 2 )
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: leukotriene ( LT ) B ( 4 ); Chemical: prostaglandin ( PG ) E ( 2 )