You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[2-[(1,3-benzodioxol-5-ylmethylamino)methyl]-4-bromophenoxy]-N-(4-methylphenyl)acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H23BrN2O4
assistant