You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 5-methyl-2-[(4-methylsulfinylpiperazin-1-yl)methyl]-7-[2-(oxan-4-ylmethoxy)pyridin-4-yl]thieno[3,2-c]pyridin-4-one by IUPAC nomenclature, provide its molecular formula.
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C25H32N4O4S2
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