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 N,N-diethyl-3-[[2-hydroxy-3-(1,2,5-thiadiazol-3-yloxy)propyl]amino]propanamide is given. What is its corresponding molecular formula?
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C12H22N4O3S
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