You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[(2-cyclopentyloxypyridin-3-yl)methyl]-2-(furan-2-carbonyl)-3,4-dihydro-1H-isoquinoline-3-carboxamide into molecular formula.
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C26H27N3O4
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