You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-benzyl-4-methyl-1-propan-2-ylpiperidin-4-amine;N-[(2,5-dimethylphenyl)methyl]-4-methyl-1-propan-2-ylpiperidin-4-amine by IUPAC nomenclature, provide its molecular formula.
user
C34H56N4
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