2691
3 . Main circulating metabolites were abiraterone sulfate and N - oxide abiraterone sulfate .
 Chemical: abiraterone sulfate; Chemical: N - oxide abiraterone sulfate
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: abiraterone sulfate; Chemical: N - oxide abiraterone sulfate