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 (5S,7S)-5-(1,3-benzodioxol-5-yl)-N-(4-bromophenyl)-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-2-carboxamide .
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C21H16BrF3N4O3
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