You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1'-(2-methyl-3,4-dihydro-1H-isoquinoline-3-carbonyl)spiro[3H-1,3-benzoxazine-2,4'-piperidine]-4-one into its molecular formula.
user
C23H25N3O3
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