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Hawthorne spoke to Future Medicinal Chemistry on how he became involved in the field , the future of boron neutron capture therapy , and provides his advice for the next generation of boron scientists .
 Chemical: boron; Chemical: boron
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: boron; Chemical: boron