2885
The metabolism and disposition of vilanterol , a novel long - acting beta ( 2 ) - adrenoceptor agonist ( LABA ) for inhalation use , was investigated after oral administration in humans .
 Chemical: vilanterol
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: vilanterol