You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (5Z)-5-[(2,5-dimethyl-1-pyridin-4-ylpyrrol-3-yl)methylidene]-1-phenyl-2-sulfanylidene-1,3-diazinane-4,6-dione is given. What is its corresponding molecular formula?
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C22H18N4O2S
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