4622
Sir2 is an evolutionarily conserved NAD ( + ) - dependent deacetylase which has been shown to play a critical role in glucose and fat metabolism .
 Chemical: NAD ( + ); Chemical: glucose
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: NAD ( + ), glucose 
Answer:
 Chemical: NAD ( + ); Chemical: glucose