16307
The AUC0 - infinity of GB - lac constituted 63 . 5 +/- 17 . 4 % of the AUC0 - infinity of GB - tot .
 Chemical: GB - lac
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: GB - lac