16242
Creation and screening of a multi - family bacterial oxidoreductase library to discover novel nitroreductases that efficiently activate the bioreductive prodrugs CB1954 and PR - 104A .
 Chemical: CB1954; Chemical: PR - 104A
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: CB1954, PR - 104A 
Answer:
 Chemical: CB1954; Chemical: PR - 104A