You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 2-[[4-[2-(4-chloro-2-fluorophenyl)-2-methyl-1,3-benzodioxol-4-yl]piperidin-1-yl]methyl]-3-methylbenzimidazole-5-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H29ClFN3O4
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