13352
A signal - on electrochemiluminescence ( ECL ) biosensor devoted to the detection of Ramos cells was fabricated based on a novel conducting polymer , poly ( 5 - formylindole ) ( P5FIn ) , which was synthesized electrochemically by direct anodic oxidation of 5 - formylindole ( 5FIn ) .
 Chemical: poly ( 5 - formylindole ); Chemical: P5FIn; Chemical: 5 - formylindole; Chemical: 5FIn
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 ( 5 - formylindole ); Chemical: P5FIn; Chemical: 5 - formylindole; Chemical: 5FIn