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 3-(2-pyridin-4-yl-1,3-thiazol-4-yl)-N-[(3-thiophen-2-yl-1,2,4-oxadiazol-5-yl)methyl]propanamide is given. What is its corresponding molecular formula?
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C18H15N5O2S2
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