4641
The latter rapidly converts to 2 , 2 - diamino - oxazolone ( Ox ) , and 8 - oxodG is further oxidized to spiroiminodihydantoin ( Sp ) and guanidinohydantoin ( Gh ) .
 Chemical: 2 , 2 - diamino - oxazolone; Chemical: 8 - oxodG; Chemical: spiroiminodihydantoin; Chemical: guanidinohydantoin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: 2 , 2 - diamino - oxazolone; Chemical: 8 - oxodG; Chemical: spiroiminodihydantoin; Chemical: guanidinohydantoin