24844
OBJECTIVE : Although inhibition of histone deacetylases ( HDACs ) has been shown to protect against cisplatin - induced hearing loss , the underlying mechanism is still poorly understood .
 Chemical: cisplatin
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: cisplatin