You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-[2-[(2-methylimidazol-1-yl)methyl]pyrrolidin-1-yl]-3-(oxan-4-yloxy)propan-1-one by IUPAC nomenclature, provide its molecular formula.
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C17H27N3O3
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