22685
Acute escitalopram treatment inhibits REM sleep rebound and activation of MCH - expressing neurons in the lateral hypothalamus after long term selective REM sleep deprivation .
 Chemical: escitalopram
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: escitalopram 
Answer:
 Chemical: escitalopram