859
Postoperatively , she was given a patient - controlled analgesia device delivering boluses of diamorphine 0 . 5 mg and droperidol 0 . 025 mg .
 Chemical: diamorphine; Chemical: droperidol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: diamorphine; Chemical: droperidol