8371
This behavior was attributed to an extending configuration of C ( 12 ) phi ( 2 ) C ( 12 ) with the two alkyl tails stretching toward the solution due to the rigidity of the long spacer .
 Chemical: C ( 12 ) phi ( 2 ) C ( 12 ); Chemical: alkyl
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: C ( 12 ) phi ( 2 ) C ( 12 ); Chemical: alkyl