14946
Currently , there are two NAI drugs which are licensed worldwide : oseltamivir and zanamivir , and two more drugs which have received recent approval in Japan : peramivir and laninamivir .
 Chemical: oseltamivir; Chemical: zanamivir; Chemical: peramivir; Chemical: laninamivir
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: oseltamivir; Chemical: zanamivir; Chemical: peramivir; Chemical: laninamivir