1251
Here , the preparation of suspensions of a thiophene - based polymer poly ( 3 - octylthiophene - 2 , 5 - diyl - co - 3 - decyloxythiophene - 2 , 5 - diyl ) ( POT - co - DOT ) and their application to the electrophoretic deposition have been reported .
 Chemical: thiophene; Chemical: poly ( 3 - octylthiophene - 2 , 5 - diyl - co - 3 - decyloxythiophene - 2 , 5 - diyl ); Chemical: POT - co - DOT
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: thiophene, poly ( 3 - octylthiophene - 2 , 5 - diyl - co - 3 - decyloxythiophene - 2 , 5 - diyl ), POT - co - DOT 
Answer:
 Chemical: thiophene; Chemical: poly ( 3 - octylthiophene - 2 , 5 - diyl - co - 3 - decyloxythiophene - 2 , 5 - diyl ); Chemical: POT - co - DOT