You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-N-[4-[2-(2-chloro-4-fluorophenyl)-2-oxoethyl]phenyl]-5-N-(oxolan-2-ylmethyl)-1H-imidazole-4,5-dicarboxamide is the IUPAC name of a molecule. Please give its molecular formula.
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