15992
Bioassay results indicated that 1 at 10 mu M demonstrated remarkable antidepressant activity in vitro by inhibiting norepinephrine reuptake in rat brain synaptosomes by 81 . 4 % and with an IC ( 50 ) value of 9 . 1 x 10 ( - 7 ) M .
 Chemical: norepinephrine
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: norepinephrine 
Answer:
 Chemical: norepinephrine