You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[2-[[acetyl(methyl)amino]methyl]phenyl]-2-[2-methoxy-4-[(E)-prop-1-enyl]phenoxy]acetamide by IUPAC nomenclature, provide its molecular formula.
user
C22H26N2O4
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