21541
Based on the proposed mechanism of bioactivation and structure - activity relationships , design efforts led to N - ( pyridin - 2 - yl ) arylsulfonamides such as 18 and 20 that maintained potent 11 beta - hydroxysteroid dehydrogenase type 1 activity , showed exquisite pharmacokinetic profiles , and were negative in the reactive metabolite assay .
 Chemical: N - ( pyridin - 2 - yl ) arylsulfonamides; Chemical: 11 beta - hydroxysteroid
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: N - ( pyridin - 2 - yl ) arylsulfonamides, 11 beta - hydroxysteroid 
Answer:
 Chemical: N - ( pyridin - 2 - yl ) arylsulfonamides; Chemical: 11 beta - hydroxysteroid