You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (3aR,7aS)-5-[(1,3-dimethylpyrazol-4-yl)methyl]-1-(3-fluorophenyl)-2,2-dimethyl-3,3a,4,6,7,7a-hexahydropyrrolo[3,2-c]pyridine into its molecular formula.
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C21H29FN4
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