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 N-[(3S,4S,5R,6R)-4-fluoro-5-hydroxy-6-(4-hydroxy-3-phenylbutyl)piperidin-3-yl]propanamide is given. What is its corresponding molecular formula?
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C18H27FN2O3
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