19441
Aminoacyl - tRNA synthetases ( ARSs ) are essential enzymes and well - established antibacterial targets and so constitute a promising set of targets for the development of new antimalarials .
 Chemical: Aminoacyl
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: Aminoacyl