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 (3,4-dimethylpiperazin-1-yl)-(5-ethyl-1H-1,2,4-triazol-3-yl)methanone is given. What is its corresponding molecular formula?
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C11H19N5O
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