15953
Endogenously , cysteamine is derived from coenzyme A degradation , although its plasma concentrations are low .
 Chemical: cysteamine; Chemical: coenzyme A
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: cysteamine; Chemical: coenzyme A