20357
Anticancer drugs directed against the microtubule , including taxanes and vinca alkaloids , have been the backbone of many chemotherapy regimes for decades .
 Chemical: taxanes; Chemical: vinca alkaloids
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: taxanes; Chemical: vinca alkaloids