3107
It is concluded that flestolol is a potent , well - tolerated , ultra - short - acting beta - adrenergic blocking agent .
 Chemical: flestolol
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: flestolol 
Answer:
 Chemical: flestolol