30000
Very significant lengthening of the DNA was observed with increasing doses of PT - ACRAMTU , and reached saturation at an r b of 0 . 15 .
 Chemical: PT - ACRAMTU
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: PT - ACRAMTU