5773
The carbon and oxygen analogues of S - methyl - N - acetyl - L - cysteine and the carbon analogue of S - ethyl - N - acetyl - L - cysteine were poor acylase I substrates , whereas the selenium analogue of NAM was a good acylase I substrate .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities:  
Answer:
 None