3664
Antiretroviral protease inhibitors lopinavir ( LPV ) and ritonavir ( RTV ) are reported BSEP inhibitors .
 Chemical: lopinavir; Chemical: LPV; Chemical: ritonavir; Chemical: RTV
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: lopinavir, LPV, ritonavir, RTV 
Answer:
 Chemical: lopinavir; Chemical: LPV; Chemical: ritonavir; Chemical: RTV