9523
Conjugation of mussel - inspired catechol groups to various polymer backbones results in materials suitable as silicon anode binders .
 Chemical: catechol; Chemical: silicon
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: catechol; Chemical: silicon