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The % 5 - methyl - 2 ' - deoxycytidine content of DNA was significantly higher in the brain compared to the liver .
 Chemical: 5 - methyl - 2 ' - deoxycytidine
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: 5 - methyl - 2 ' - deoxycytidine