You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[1-(4-fluorophenyl)-5-[(4-pyrimidin-5-ylpiperazin-1-yl)methyl]-3H-2-benzofuran-1-yl]-N,N-dimethylpropan-1-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H34FN5O
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