21549
On the singlet PES , the most important products include CF3OOOI , CF3OOIO , CF3OIO2 , and CF2O + FIO2 , while other products such as CF2O + FOIO , CF2O + FOOI , CF3OOI + O ( ( 3 ) P ) , CF3OI + O2 ( ( 1 ) Delta and ( 3 ) Sigma ) , and CF3O + OIO are negligible due to high barriers or unstable formations .
 Chemical: CF3OOOI; Chemical: CF3OOIO; Chemical: CF3OIO2; Chemical: CF2O; Chemical: FIO2; Chemical: CF2O; Chemical: FOIO; Chemical: CF2O; Chemical: FOOI; Chemical: CF3OOI; Chemical: O; Chemical: CF3OI; Chemical: O2; Chemical: CF3O; Chemical: OIO
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: CF3OOOI; Chemical: CF3OOIO; Chemical: CF3OIO2; Chemical: CF2O; Chemical: FIO2; Chemical: CF2O; Chemical: FOIO; Chemical: CF2O; Chemical: FOOI; Chemical: CF3OOI; Chemical: O; Chemical: CF3OI; Chemical: O2; Chemical: CF3O; Chemical: OIO