3370
Finally , we observed that Ts2 or Ts6 injection in 5 - lipoxygenase ( LO ) deficient mice and in wild type ( WT ) 129sv mice pre - treated with LTs and PGs inhibitors ( MK - 886 and celecoxib , respectively ) a reduction the influx of leukocytes occurs in comparison to WT .
 Chemical: MK - 886; Chemical: celecoxib
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: MK - 886; Chemical: celecoxib