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-[2-(dimethylamino)ethyl]-N,3-dimethyl-4-(pyrazin-2-ylcarbamoylamino)bicyclo[4.1.0]hepta-2,4-diene-1-carboxamide is given. What is its corresponding molecular formula?
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C19H26N6O2
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