1604
The central nervous system toxicity of high - dose cytosine arabinoside is well recognized , but the toxicity of cytosine arabinoside in the peripheral nervous system has been infrequently reported .
 Disease: toxicity; Chemical: cytosine arabinoside; Disease: toxicity; Chemical: cytosine arabinoside
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:
 Disease: toxicity; Chemical: cytosine arabinoside; Disease: toxicity; Chemical: cytosine arabinoside