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-methoxy-2-[(E)-[[4-(4-methylsulfonylphenyl)-1,3-thiazol-2-yl]hydrazinylidene]methyl]phenol is given. What is its corresponding molecular formula?
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C18H17N3O4S2
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