30523
The synthesis of a variety of N - alkylated 2 , 3 , 3 - trimethylindolenines and 2 - methylbenzothiazoles is reported herein .
 Chemical: N - alkylated 2 , 3 , 3 - trimethylindolenines; Chemical: 2 - methylbenzothiazoles
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: N - alkylated 2 , 3 , 3 - trimethylindolenines, 2 - methylbenzothiazoles 
Answer:
 Chemical: N - alkylated 2 , 3 , 3 - trimethylindolenines; Chemical: 2 - methylbenzothiazoles