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-[[3-[(3,5-dimethylpyrazol-1-yl)methyl]phenyl]methyl]-2-(2-fluorophenyl)acetamide is given. What is its corresponding molecular formula?
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C21H22FN3O
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