18800
PvuRts1I was the first identified restriction enzyme to exhibit specificity toward hmC over 5 - methylcytosine ( 5mC ) and cytosine .
 Chemical: hmC; Chemical: 5 - methylcytosine; Chemical: 5mC; Chemical: cytosine
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: hmC; Chemical: 5 - methylcytosine; Chemical: 5mC; Chemical: cytosine