23800
The contribution of 1 - pyrenol , 4 - n - NP and 4 - tert - OP to the total estrogenic potency measured in male fish bile was found to be negligible , indicating the presence of other estrogenic compounds in red mullet bile .
 Chemical: 1 - pyrenol; Chemical: 4 - n - NP; Chemical: 4 - tert - OP
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 - pyrenol; Chemical: 4 - n - NP; Chemical: 4 - tert - OP