24704
CONCLUSIONS : These results demonstrate that adaptive changes on 5 - HT1B receptors induced by chronic administration of venlafaxine exhibit regional differences suggesting that the hypothalamus might be an important site of drug action .
 Chemical: venlafaxine
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: venlafaxine