24290
Synthesis and antiproliferative evaluation of piperazine - 1 - carbothiohydrazide derivatives of indolin - 2 - one .
 Chemical: piperazine - 1 - carbothiohydrazide; Chemical: indolin - 2 - one
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: piperazine - 1 - carbothiohydrazide; Chemical: indolin - 2 - one