6075
Molecular masses , N - terminal sequences , inhibition assays , and enzymatic profile suggest that Cdc SI and Cdc SII belong to the family of snake venom thrombin - like enzymes .
 Chemical: N
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: N