1619
We tested MPA at concentrations of 0 . 1 ; 0 . 25 ; 0 . 5 ; 0 . 75 mg / l ( 0 . 31 ; 0 . 78 ; 1 . 56 ; 2 . 34 mu M ) and MPA glucuronide at concentrations of 3 ; 10 ; 30 ; 100 mg / l ( 6 . 04 ; 20 . 14 ; 60 . 43 ; 201 . 43 mu M ) .
 Chemical: MPA; Chemical: MPA glucuronide
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: MPA, MPA glucuronide 
Answer:
 Chemical: MPA; Chemical: MPA glucuronide