You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[2-[2-(4-chlorophenyl)-5,6-difluoro-1,3-dihydrobenzimidazol-2-yl]-2-cyclohexylethoxy]-3-methylbenzoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H29ClF2N2O3
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