12208
In this study , we have identified topoisomerase II beta ( Top2 beta ) as a specific determinant for CPT sensitivity , but not for many other cytotoxic agents , in non - S - phase cells .
 Chemical: CPT
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: CPT