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 (2,6-difluorophenyl)-[4-[(2S)-3-ethoxy-2-hydroxypropyl]piperazin-1-yl]methanone is given. What is its corresponding molecular formula?
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C16H22F2N2O3
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