19347
An additional nonpolar column wash of HP20SS with EtOAc retained considerable bioactivities of active extracts .
 Chemical: HP20SS; Chemical: EtOAc
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: HP20SS, EtOAc 
Answer:
 Chemical: HP20SS; Chemical: EtOAc