You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[2-cyclohexa-1,3-dien-1-yl-1-(1,4-dioxin-2-yl)ethyl]-3,4,5,6,7,8-hexahydro-1H-isoquinoline into molecular formula.
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C21H27NO2
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