You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 3-[[2-(4-methoxyphenyl)-1,3-oxazol-4-yl]methylsulfanylmethyl]-5-thiophen-2-yl-1,2,4-oxadiazole into molecular formula.
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C18H15N3O3S2
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