You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 4-[2-methylimino-3-[(E)-(2,4,6-trimethoxyphenyl)methylideneamino]-1,3-thiazol-4-yl]benzene-1,3-diol is given. What is its corresponding molecular formula?
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C20H21N3O5S
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