You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 3-[1-[3-(1H-imidazol-2-yl)benzoyl]piperidin-4-yl]-N-(2-methoxyethyl)propanamide is given. What is its corresponding molecular formula?
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C21H28N4O3
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