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 (3S,4S)-1-[3-(3,5-dimethyl-1H-pyrazol-4-yl)propanoyl]-4-pyridin-2-ylpyrrolidine-3-carboxylic acid into molecular formula.
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C18H22N4O3
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