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 N-[3-[[2-[4-[[(3S)-1-(2-methoxyethyl)pyrrolidin-3-yl]amino]anilino]-7H-purin-6-yl]oxy]phenyl]prop-2-enamide into molecular formula.
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C27H30N8O3
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