You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 6-(azepan-1-yl)-5-[(E)-(3-hexyl-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]-4-methyl-2-oxo-1-propylpyridine-3-carbonitrile by IUPAC nomenclature, provide its molecular formula.
user
C26H36N4O2S2
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