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 1-(4-fluorophenyl)-6-hydroxy-5-(pyrrol-2-ylidenemethyl)-2-sulfanylidenepyrimidin-4-one is given. What is its corresponding molecular formula?
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C15H10FN3O2S
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