You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[4-[(E)-[4-oxo-3-[(4-phenylmethoxybenzoyl)amino]-2-sulfanylidene-1,3-thiazolidin-5-ylidene]methyl]phenoxy]acetic acid into molecular formula.
user
C26H20N2O6S2
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