You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-(4-methoxyphenyl)-N-[4-[(E)-(3-methyl-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]-1,3-thiazol-2-yl]acetamide by IUPAC nomenclature, provide its molecular formula.
user
C17H15N3O3S3
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