You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 3-cyclohexyl-2-(methylamino)-4-oxo-4-[6-(2-phenylethyl)-3,3a,4,5,7,7a-hexahydro-2H-pyrrolo[2,3-c]pyridin-1-yl]butanamide into molecular formula.
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C26H40N4O2
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