You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 1-(4,6-difluoro-2,3-dihydroindol-1-yl)-3-[5,7-dimethyl-2-(trifluoromethyl)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl]propan-1-one .
user
C19H16F5N5O
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