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 1-[3-[4-[2-(3-fluorophenyl)ethynyl]phenyl]-1,2,4-oxadiazol-5-yl]ethanol is given. What is its corresponding molecular formula?
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C18H13FN2O2
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