You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-[2-[(2-hydroxy-3-methoxyphenyl)methylideneamino]ethyliminomethyl]-6-methoxyphenol;hydroxy(oxo)vanadium by IUPAC nomenclature, provide its molecular formula.
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C18H21N2O6V
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