7771
The development of selective inhibitors for AKR enzymes 1B1 and 1B10 , of clinical relevance in diabetes and cancer , granted the investigation of some structure - activity relationships .
 None
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:  
Answer:
 None