8912
In this study , the nominal PbNO ( 3 ) concentration of 1 . 6 mg / L was capable of reducing feeding and resting bouts as early as 24 h of exposure while hyperactive swimming episodes were also detected .
 Chemical: PbNO ( 3 )
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: PbNO ( 3 ) 
Answer:
 Chemical: PbNO ( 3 )