You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[4-[4-(4-chlorophenyl)-4-hydroxypiperidin-1-yl]butyl]-6-(3-ethyl-4-methylanilino)pyrimidine-2,4-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H35ClN4O3
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