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In wild - type mouse ESCs , 5fC / 5caC accumulates to detectable levels at major satellite repeats but not at nonrepetitive loci .
 Chemical: 5fC; Chemical: 5caC
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: 5fC; Chemical: 5caC