19999
In most cases , this defect can be overcome by treatment with all - trans - retinoic acid ( ATRA ) , leading to complete clinical remission .
 Chemical: all - trans - retinoic acid; Chemical: ATRA
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: all - trans - retinoic acid; Chemical: ATRA