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-[(2R)-1-[4-(1H-indol-3-yl)-3,6-dihydro-2H-pyridin-1-yl]-3-methyl-1-oxobutan-2-yl]-2-methoxybenzamide into molecular formula.
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C26H29N3O3
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