You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-benzyl-5-(3-ethyl-1,3-benzothiazol-2-ylidene)-2-(4-methoxyphenyl)imino-1,3-thiazolidin-4-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H23N3O2S2
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