You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-(2-acetyl-3,4-dihydro-1H-isoquinolin-1-yl)-N-(3,5-dimethylphenyl)-N-ethylacetamide into its molecular formula.
user
C23H28N2O2
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