13233
Our results show that the exciton diffusion constants in QQT ( CN ) 4 films do not vary significantly upon thermal annealing .
 Chemical: QQT ( CN ) 4
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: QQT ( CN ) 4 
Answer:
 Chemical: QQT ( CN ) 4