You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 1-[3-[4-[(4-ethoxyphenyl)methyl]piperazine-1-carbonyl]-3,4-dihydro-1H-isoquinolin-2-yl]-3-methylbutan-1-one into molecular formula.
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C28H37N3O3
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