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Effects of exogenous thiocyanate on mineral nutrients , antioxidative responses and free amino acids in rice seedlings .
 Chemical: thiocyanate; Chemical: amino acids
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: thiocyanate; Chemical: amino acids