You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[2-[(E)-2-(3-methoxyphenyl)-3-methylpent-1-enyl]-5-(4-methylpiperazin-1-yl)phenyl]ethanone into its molecular formula.
user
C26H34N2O2
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