13056
Investigation of the structure - activity relationship of the neurotrophic natural product clovanemagnolol ( 1 ) led us to a comparable chemically edited derivative .
 Chemical: clovanemagnolol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: clovanemagnolol