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-[(6E,8S)-4-amino-6-ethylidene-5-quinolin-3-yl-8,9-dihydro-7H-pyrimido[5,4-b]indolizin-8-yl]prop-2-enamide is given. What is its corresponding molecular formula?
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C24H22N6O
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