5
The major urinary metabolites were 3 - ( 3 - carboxyphenyl ) - 5 - hydroxymethyl - 2 - oxazolidinone and a glucuronide of toloxatone .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None