11791
Also , differential sensitivity to 19 - epi - OKA was observed between neuronal and glial cells , a specific characteristic shared by OKA and dinophysistoxin - 2 but not by other toxins .
 Chemical: 19 - epi - OKA; Chemical: OKA; Chemical: dinophysistoxin - 2
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; Chemical: OKA; Chemical: dinophysistoxin - 2