7619
Indoleamine 2 , 3 - dioxygenase inhibitory activity of derivatives of marine alkaloid tsitsikammamine A .
 Chemical: Indoleamine; Chemical: tsitsikammamine A
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: Indoleamine, tsitsikammamine A 
Answer:
 Chemical: Indoleamine; Chemical: tsitsikammamine A