You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[3-(3-ethylpentyl)-2-iminobenzimidazol-1-yl]-1-(1-tetracyclo[5.2.1.03,8.05,8]decanyl)ethanone into molecular formula.
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C26H35N3O
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