29137
AR - 67 is a lipophilic camptothecin analogue , currently under early stage clinical trials .
 Chemical: AR - 67; Chemical: camptothecin
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: AR - 67, camptothecin 
Answer:
 Chemical: AR - 67; Chemical: camptothecin