You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name [4-[bis(4-fluorophenyl)methyl]piperazin-1-yl]-[(2S,3S)-1-ethyl-3-phenylpyrrolidin-2-yl]methanone into its molecular formula.
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C30H33F2N3O
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