6721
What is also important is that the development of bacterial resistance toward natural plant products ( that are generally regarded as eco - friendly ) has been thus far documented in a very limited number of cases ( e . g . for reserpine ) .
 Chemical: reserpine
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: reserpine