11787
19 - epi - OKA caused degeneration of neurites and neuronal death with much lower potency than its congeners .
 Chemical: 19 - epi - OKA
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: 19 - epi - OKA