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 (2R)-1-[bis(4-fluorophenyl)methoxy]-3-[4-(2-hydroxyethyl)piperazin-1-yl]propan-2-ol is given. What is its corresponding molecular formula?
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C22H28F2N2O3
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