3744
Paired eyes were perfused in serum - free media with or without 10 ( - 7 ) M dexamethasone for 12 days .
 Chemical: dexamethasone
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: dexamethasone