21384
These effects were blocked by mecamylamine and dihydro - beta - erythroidine , but not methyllycaconitine .
 Chemical: mecamylamine; Chemical: dihydro - beta - erythroidine; Chemical: methyllycaconitine
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: mecamylamine; Chemical: dihydro - beta - erythroidine; Chemical: methyllycaconitine