You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-(2,3-dihydro-1,4-benzodioxin-5-yl)-4-[[3-(4-fluorophenyl)phenyl]methyl]piperazine by IUPAC nomenclature, provide its molecular formula.
user
C25H25FN2O2
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