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 (Z)-1-N-[(2S)-3-fluoro-1-methoxy-1-[4-(methylsulfonylmethyl)phenyl]propan-2-yl]-2-N,4-N-dimethylbut-1-ene-1,2,4-triamine into molecular formula.
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C18H30FN3O3S
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