13600
The possibility of IC induced by torsion of the exocyclic C - C bond ( the phi torsion ) is also considered but excluded .
 Chemical: C - C
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: C - C 
Answer:
 Chemical: C - C