1480
Anesthesia was performed by injecting 20 to 40 mL of a mixture of long - acting ( ropivacaine ) and short - acting ( prilocaine ) anesthetic .
 Chemical: ropivacaine; Chemical: prilocaine
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: ropivacaine; Chemical: prilocaine