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-(5,11-dioxo-6aH-isoindolo[2,1-a]quinazolin-6-yl)-N-[4-[2-(2H-tetrazol-5-yl)ethyl]phenyl]propanamide is given. What is its corresponding molecular formula?
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C27H23N7O3
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