You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-[[2-[2-(4-methoxyphenyl)imino-3-methyl-4-oxo-1,3-thiazolidin-5-yl]acetyl]amino]benzoic acid into molecular formula.
user
C20H19N3O5S
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