17109
F - Ti - MWW containing the SiO3 / 2F units possessed better catalytic activity and reusability , and a longer catalyst lifetime than conventional Ti - MWW .
 Chemical: F - Ti; Chemical: SiO3; Chemical: 2F; Chemical: Ti
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: F - Ti; Chemical: SiO3; Chemical: 2F; Chemical: Ti