You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-chloro-N-(3-cyanopropyl)-4-[4-[(8-methoxy-2-methyl-3-oxo-4H-1,4-benzoxazin-6-yl)methyl]piperazin-1-yl]benzamide into its molecular formula.
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C26H30ClN5O4
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