You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-N-(5-but-1-en-2-yl-2-methylphenyl)-1-N-[(3-methylphenyl)methyl]prop-2-ene-1,2-diamine into molecular formula.
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C22H28N2
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