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 3-(4-fluorophenyl)-1-[5-(furan-2-ylmethylamino)-3-pyridin-3-yl-1,2,4-triazol-1-yl]prop-2-en-1-one is given. What is its corresponding molecular formula?
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C21H16FN5O2
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