18197
The potent and selective activity of semi - synthetic naphthothiazoles against promastigotes and amastigotes reveals that the 2 - amino - naphthothiazole ring may represent a scaffold for the design of compounds with leishmanicidal properties and encourage the development of drug formulation and new compounds for further studies in vivo .
 Chemical: naphthothiazoles; Chemical: 2 - amino - naphthothiazole
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: naphthothiazoles; Chemical: 2 - amino - naphthothiazole