979
A comparison between the temperatures within imploding acoustic cavitation bubbles and the extent of sonoluminescence ( SL ) quenching by C ( 1 ) - C ( 5 ) aliphatic alcohols in 1 - ethyl - 3 - methylimidazolium ethylsulfate ( [ EMIM ] [ EtSO ( 4 ) ] , a well known imidazolium based room temperature ionic liquid ( RTIL ) ) , has been made at an ultrasound frequency of 213 kHz .
 Chemical: aliphatic alcohols; Chemical: 1 - ethyl - 3 - methylimidazolium ethylsulfate; Chemical: [ EMIM ] [ EtSO ( 4 ) ]; Chemical: imidazolium
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: aliphatic alcohols; Chemical: 1 - ethyl - 3 - methylimidazolium ethylsulfate; Chemical: [ EMIM ] [ EtSO ( 4 ) ]; Chemical: imidazolium