17042
Design , synthesis and structure - activity relationship of rhenium 2 - arylbenzothiazoles as beta - amyloid plaque binding agents .
 Chemical: rhenium 2 - arylbenzothiazoles
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: rhenium 2 - arylbenzothiazoles 
Answer:
 Chemical: rhenium 2 - arylbenzothiazoles