You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-(3,4-dihydro-1H-isoquinolin-2-yl)-N-[2-(oxan-2-yl)ethyl]piperidine-1-carboxamide;formic acid into its molecular formula.
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C23H35N3O4
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