8855
Polymers are obtained by free radical polymerization , polymer - analogous guanidinylation is conducted with cyanamide ; non - leaching immobilization is achieved by LBL assembly of homopolymers or crosslinking of functional sidegroups in copolymers .
 Chemical: cyanamide
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: cyanamide