You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 4-(2-chlorophenyl)-N-phenyl-1-[(5R,7S)-5-phenyl-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carbonyl]pyrrolidine-3-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C31H27ClF3N5O2
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