You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4-[[2-(dimethylamino)ethyl-[(4-hydroxy-3,5-dimethylphenyl)methyl]amino]methyl]-2,6-dimethylphenol by IUPAC nomenclature, provide its molecular formula.
user
C22H32N2O2
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