1599
YMDD motif mutants were not detected in any of the patients despite the liver enzyme levels and the presence of HBeAg or anti - HBe .
 Chemical: HBeAg
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: HBeAg