You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(1,3-dioxolan-2-yl)-N-ethyl-3-(1,2,3,4-tetrahydronaphthalen-1-yl)propan-2-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H27NO2
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