You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (6Z)-2-(2-chlorophenyl)-6-[[5-(2,4-dichlorophenyl)furan-2-yl]methylidene]-5-imino-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-one .
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C22H11Cl3N4O2S
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