1971
An assessment of pure , hybrid , meta , and hybrid - meta GGA density functional theory methods for open - shell systems : the case of the nonheme iron enzyme 8R - LOX .
 Chemical: iron
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: iron