12402
Volinanserin ( 1 and 3 mg / kg ) and AVE8488 ( 0 . 3 mg / kg ) similarly increased NREMS , while reducing wakefulness .
 Chemical: Volinanserin; Chemical: AVE8488
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: Volinanserin, AVE8488 
Answer:
 Chemical: Volinanserin; Chemical: AVE8488