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-(3,5-dimethylpyrazol-1-yl)propyl]-8-methoxy-N-methyl-3,4-dihydro-2H-chromene-3-carboxamide into molecular formula.
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C20H27N3O3
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