You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (E)-4-methoxy-2-methyl-3-[2-[(E)-2-(1,3-thiazol-4-yl)ethenyl]phenyl]but-3-enoic acid into molecular formula.
user
C17H17NO3S
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