21606
These effects are particularly remarkable because ( 1 ) salvinorin A is the first reported non - nitrogenous opioid receptor agonist and ( 2 ) its effects are not mediated through the previously investigated targets of psychotomimetics .
 Chemical: salvinorin A
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: salvinorin A