10463
However , none of the observed adverse effects occurred at concentrations of exposure lower than 32 mu g / L ; this , together with the low volume of drug prescribed every year ( 10 . 34 kg in the UK in 2011 ) , and the extremely low predicted environmental concentration ( 0 . 03 ng / L ) , suggest that , at present , the potential presence of dutasteride in the environment does not represent a threat to wild fish populations .
 Chemical: dutasteride
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: dutasteride