You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 5-[[3-(2,4-dichlorophenyl)-4-methoxyphenyl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one .
user
C17H11Cl2NO2S2
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