14013
Poly ( styrene oxide ) - poly ( ethylene oxide ) block copolymers : From " classical " chemotherapeutic nanocarriers to active cell - response inducers .
 Chemical: Poly ( styrene oxide ) - poly ( ethylene oxide )
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: Poly ( styrene oxide ) - poly ( ethylene oxide )