2669
Both subcellular fractions take part in the carbonyl reduction of nabumetone and the reduction is at least in vitro the main biotransformation pathway .
 Chemical: carbonyl; Chemical: nabumetone
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: carbonyl, nabumetone 
Answer:
 Chemical: carbonyl; Chemical: nabumetone