You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (E)-1-(3,4-dimethoxyphenyl)-3-[2-methoxy-5-(3,4,5-trimethoxybenzoyl)phenyl]prop-2-en-1-one into its molecular formula.
user
C28H28O8
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