28398
Although the use of dabigatran and rivaroxaban are increasing , data on the reversal of their effects are limited .
 Chemical: dabigatran; Chemical: rivaroxaban
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: dabigatran, rivaroxaban 
Answer:
 Chemical: dabigatran; Chemical: rivaroxaban