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)-2-[(5Z)-5-[(E)-but-2-enylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]propanoic acid into molecular formula.
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C10H11NO3S2
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