14446
Sirt1 , an NAD ( + ) - dependent deacetylase , was identified as a molecule necessary for caloric restriction - related anti - aging strategies .
 Chemical: NAD ( + )
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 ( + ) 
Answer:
 Chemical: NAD ( + )