14512
In particular , unmethylated cytosine interacts more favorably ( primarily via electrostatic forces ) with solvent water molecules than methylated cytosine .
 Chemical: cytosine; Chemical: cytosine
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: cytosine, cytosine 
Answer:
 Chemical: cytosine; Chemical: cytosine