You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-bromo-N-[(2S)-2-(3,4-dichlorophenyl)-4-hydroxybutyl]-2,4-dimethoxynaphthalene-1-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H22BrCl2NO4
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