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An example is the synthesis of nylon-6 ,6 whose formula is [ - NH - ( CH2 ) 6-NH-CO - ( CH2 ) 4-CO - ] n from one mole of hexamethylenediamine , H2N ( CH2 ) 6NH2 , and one mole of adipic acid , HOOC - ( CH2 ) 4-COOH .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None