21355
The effective concentration of 1 - aminoanthracene required to immobilize the tadpoles was significantly increased in the presence of either microtubule stabilizing agent .
 Chemical: 1 - aminoanthracene
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: 1 - aminoanthracene