14074
The addition of either tamoxifen , VX - 710 , verapamil , or cyclosporin A , antagonists of P - gp , enhanced C6 - ceramide cytotoxicity in all cell lines .
 Chemical: tamoxifen; Chemical: VX - 710; Chemical: verapamil; Chemical: cyclosporin A; Chemical: C6 - ceramide
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: tamoxifen; Chemical: VX - 710; Chemical: verapamil; Chemical: cyclosporin A; Chemical: C6 - ceramide