4183
In conclusion , the CAG length dependent effect of TCDD on AR activity in PNT1A , but not in PC - 3 cells , indicates as a cell - specific effect of TCDD on AR activity .
 Chemical: TCDD; Chemical: TCDD
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: TCDD; Chemical: TCDD