You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1,3-bis[4-chloro-3-(trifluoromethyl)phenyl]-1,3-diazinane-2,4,6-trione by IUPAC nomenclature, provide its molecular formula.
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C18H8Cl2F6N2O3
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