13701
The method involves wet - spinning of poly ( 3 , 4 - ethylenedioxythiophene ) poly ( styrenesulfonate ) ( PEDOT : PSS ) fibre , which served as the inner core to the electropolymerised outer shell layer of polypyrrole ( Ppy ) .
 Chemical: poly ( 3 , 4 - ethylenedioxythiophene ); Chemical: poly ( styrenesulfonate ); Chemical: PEDOT; Chemical: PSS; Chemical: polypyrrole; Chemical: Ppy
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 ( 3 , 4 - ethylenedioxythiophene ); Chemical: poly ( styrenesulfonate ); Chemical: PEDOT; Chemical: PSS; Chemical: polypyrrole; Chemical: Ppy