You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [2-(4-benzylpiperazin-1-yl)-2-oxoethyl] (E)-3-[4-(pyridin-2-ylmethoxy)phenyl]prop-2-enoate into its molecular formula.
user
C28H29N3O4
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