24298
Pyrrolidine dithiocarbamate ( PDTC ) , a specific NF - kappa B inhibitor , along with 20S proteasome inhibitor ( PSI ) significantly inhibited LPS - induced iNOS expression , which indirectly suggested that 5HHMF downregulated iNOS expression by suppressing NF - kappa B activity .
 Chemical: Pyrrolidine dithiocarbamate; Chemical: PDTC; Chemical: 5HHMF
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: Pyrrolidine dithiocarbamate, PDTC, 5HHMF 
Answer:
 Chemical: Pyrrolidine dithiocarbamate; Chemical: PDTC; Chemical: 5HHMF