You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[(2-hydroxynaphthalen-1-yl)diazenyl]-N-[4-[(2-hydroxynaphthalen-1-yl)diazenyl]phenyl]benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C33H23N5O3
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