6867
The toxins were extracted with acetonitrile / water ( 90 : 10 , v / v ) containing 0 . 1 % formic acid and cleaned by HLB and GCB sorbents .
 Chemical: acetonitrile; Chemical: formic acid; Chemical: GCB
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: acetonitrile; Chemical: formic acid; Chemical: GCB