1661
In the lateral position with operative side down , patients recived 10 mg ( 2mls ) of 0 . 5 % hyperbaric bupivacaine through a 25 - gauge spinal needle .
 Chemical: bupivacaine
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: bupivacaine