You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (5R,7R)-5-(3,4-dichlorophenyl)-N-[[(2S)-oxolan-2-yl]methyl]-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-2-carboxamide is given. What is its corresponding molecular formula?
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C19H19Cl2F3N4O2
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