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'R,4S)-N-[[1-(2-phenylethyl)piperidin-4-yl]methyl]spiro[2,3-dihydro-1H-naphthalene-4,2'-cyclopropane]-1'-amine into molecular formula.
user
C26H34N2
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