You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-methyl-N'-[2-(4-oxo-5-phenyl-3-prop-2-enylthieno[2,3-d]pyrimidin-2-yl)sulfanylacetyl]benzohydrazide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H22N4O3S2
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