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 5-[(cyclopropylamino)methyl]-N-methyl-N-(2-thiophen-2-ylethyl)-1,3,4-oxadiazol-2-amine is given. What is its corresponding molecular formula?
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C13H18N4OS
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