24534
Concomitant use of enzyme inducers such as rifampicin , St John ' s wort and carbamazepine should be avoided because of the risk of subtherapeutic concentrations of oxycodone .
 Chemical: rifampicin; Chemical: carbamazepine; Chemical: oxycodone
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: rifampicin; Chemical: carbamazepine; Chemical: oxycodone