You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2S)-N-[2-[(2R)-butan-2-yl]phenyl]-2-(4-oxo-3-prop-2-enylquinazolin-2-yl)sulfanylpropanamide into molecular formula.
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C24H27N3O2S
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