19249
Recent works have demonstrated that Angiotensin - ( 1 - 7 ) [ Ang - ( 1 - 7 ) ] exerted its neuroprotective effects by modulating classic components of renin - angiotensin system associated with reducing oxidative stress and apoptosis in brains of spontaneously hypertensive rats ( SHRs ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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