5077
BDE47 and PCB153 are known to disrupt thyroid metabolism and exposure influenced the expression of the nuclear receptors PPAR gamma and ESR2 , respectively .
 Chemical: BDE47; Chemical: PCB153
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: BDE47; Chemical: PCB153