14874
1 beta - d - Arabinofuranosylcytosine ( Cytarabine , Ara - C ) is a key drug in the treatment of acute myeloid leukemia .
 Chemical: 1 beta - d - Arabinofuranosylcytosine; Chemical: Cytarabine; Chemical: Ara - C
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: 1 beta - d - Arabinofuranosylcytosine, Cytarabine, Ara - C 
Answer:
 Chemical: 1 beta - d - Arabinofuranosylcytosine; Chemical: Cytarabine; Chemical: Ara - C