3745
Extracts of four plant portions ( roots , stems , leaves and flowers ) of Urtica dioica ( the stinging nettle ) were prepared using accelerated solvent extraction ( ASE ) involving water , hexanes , methanol and dichloromethane .
 Chemical: hexanes; Chemical: methanol; Chemical: dichloromethane
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: hexanes, methanol, dichloromethane 
Answer:
 Chemical: hexanes; Chemical: methanol; Chemical: dichloromethane