5060
Unfortunately , the success of vemurafenib was hampered by the rapid development of acquired resistance in different types of BRAF ( V600E ) mutant cancer cells .
 Chemical: vemurafenib
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: vemurafenib