You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[1,3-benzodioxol-5-yl-[5-methyl-3-oxo-2-(2,4,6-trichlorophenyl)-1H-pyrazol-4-yl]methyl]-5-methyl-2-(2,4,6-trichlorophenyl)-1H-pyrazol-3-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H18Cl6N4O4
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