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 4-[3-[6-[(3S,5R)-3,5-dimethyl-4-propanoylpiperazin-1-yl]pyridin-3-yl]-4-methoxyquinolin-8-yl]benzonitrile into molecular formula.
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C31H31N5O2
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