21352
In vitro assays with aminoanthracene - cross - linked tubulin indicated inhibition of microtubule polymerization , similar to colchicine .
 Chemical: aminoanthracene; Chemical: colchicine
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: aminoanthracene; Chemical: colchicine