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For example , bortezomib ( Velcade ( (R) ) ) , the only drug in clinical use with boron as an active element , was approved in 2003 as a proteasome inhibitor for the treatment of multiple myeloma and non - Hodgkin ' s lymphoma .
 Chemical: bortezomib; Chemical: Velcade; 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: bortezomib; Chemical: Velcade; Chemical: boron