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 1-(2-methoxyphenyl)-3-[4-[(2-sulfanylidene-1,3-oxazolidin-5-yl)methoxy]phenyl]thiourea is given. What is its corresponding molecular formula?
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C18H19N3O3S2
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