6545
Six hours later , mice were anesthetized with diethylether and urine and blood samples were withdrawn by cystocentesis and cardiocentesis , respectively .
 Chemical: diethylether
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: diethylether 
Answer:
 Chemical: diethylether