18045
Soluble conjugated one - dimensional nanowires prepared by topochemical polymerization of a butadiynes - containing star - shaped molecule in the xerogel state .
 Chemical: butadiynes
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: butadiynes