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 1-[(3S)-3-[4-[(2-methylimidazol-1-yl)methyl]piperidine-1-carbonyl]piperidin-1-yl]propan-1-one is given. What is its corresponding molecular formula?
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C19H30N4O2
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