You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-[(2R)-4-phenylbutan-2-yl]-2-[1-(2-phenylethyl)benzimidazol-2-yl]sulfanylacetamide is given. What is its corresponding molecular formula?
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C27H29N3OS
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