21512
Comparative antimalarial activities and ADME profiles of ozonides ( 1 , 2 , 4 - trioxolanes ) OZ277 , OZ439 , and their 1 , 2 - dioxolane , 1 , 2 , 4 - trioxane , and 1 , 2 , 4 , 5 - tetraoxane isosteres .
 Chemical: ozonides; Chemical: 1 , 2 , 4 - trioxolanes; Chemical: OZ277; Chemical: OZ439; Chemical: 1 , 2 - dioxolane; Chemical: 1 , 2 , 4 - trioxane; Chemical: 1 , 2 , 4 , 5 - tetraoxane
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: ozonides, 1 , 2 , 4 - trioxolanes, OZ277, OZ439, 1 , 2 - dioxolane, 1 , 2 , 4 - trioxane, 1 , 2 , 4 , 5 - tetraoxane 
Answer:
 Chemical: ozonides; Chemical: 1 , 2 , 4 - trioxolanes; Chemical: OZ277; Chemical: OZ439; Chemical: 1 , 2 - dioxolane; Chemical: 1 , 2 , 4 - trioxane; Chemical: 1 , 2 , 4 , 5 - tetraoxane