You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(2,3-dihydro-1-benzofuran-2-yl)-N-methyl-N-[(3-methylpyrrolidin-3-yl)methyl]ethanamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H26N2O
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