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 2-[5-(4-chlorophenyl)tetrazol-2-yl]-1-[3-(methylaminomethyl)pyrrolidin-1-yl]ethanone is given. What is its corresponding molecular formula?
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C15H19ClN6O
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