You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named tert-butyl N-[2-[6-methoxy-3-[(1R,2S,5R)-5-methyl-2-propan-2-ylcyclohexanecarbonyl]-2-oxobenzimidazol-1-yl]ethyl]carbamate by IUPAC nomenclature, provide its molecular formula.
user
C26H39N3O5
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