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As M . scandens is a highly abundant invasive plant in Sri Lanka and other South Asian countries , this plant could be developed as an environment friendly natural herbicide , either in crude form as shredded plant material or as pure mikanolide , which is the major constituent ( ~ 0 . 02 % ) in the plant .
 Chemical: mikanolide
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: mikanolide 
Answer:
 Chemical: mikanolide