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In order to study the mechanism of the histone deacetylase ( HDAC ) inhibitors valproic acid ( VPA ) and suberoylanilide hydroxamic acid ( SAHA ) in breast cancer , we generated and validated genomic profiles of drug response using a series of breast cancer cell lines sensitive to each drug .
 Chemical: valproic acid; Chemical: VPA; Chemical: suberoylanilide hydroxamic acid; Chemical: SAHA
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: valproic acid; Chemical: VPA; Chemical: suberoylanilide hydroxamic acid; Chemical: SAHA