2945
Our findings suggest that IL - 6 influences the expression of lipocalin - 2 , which in turn may be involved in the control of the formation of Cox - 2 , and hence central PGE ( 2 ) - production .
 Chemical: PGE ( 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: PGE ( 2 )