You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-(3-chloro-2-methylphenyl)-2-[2-(piperidine-1-carbonyl)-2,3-dihydro-1,4-benzoxazin-4-yl]acetamide into molecular formula.
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C23H26ClN3O3
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