21921
Anticancer activity of the liposome - encapsulated cyclic dipeptides , cyclo ( His - Gly ) and cyclo ( His - Ala ) .
 Chemical: cyclic dipeptides; Chemical: cyclo ( His - Gly ); Chemical: cyclo ( His - Ala )
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: cyclic dipeptides; Chemical: cyclo ( His - Gly ); Chemical: cyclo ( His - Ala )