14782
However , we did not find any proof for protonation of CPT when it is encased by a beta - cyclodextrin cavity , which has a cavity size almost the same as that of CB7 .
 Chemical: CPT; Chemical: beta - cyclodextrin; Chemical: CB7
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: CPT; Chemical: beta - cyclodextrin; Chemical: CB7