26208
Upregulation of the dorsal raphe nucleus - prefrontal cortex serotonin system by chronic treatment with escitalopram in hyposerotonergic Wistar - Kyoto rats .
 Chemical: serotonin; Chemical: escitalopram
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: serotonin; Chemical: escitalopram