You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-naphthalen-2-yl-5-[4-[6-phenyl-2-(4-phenylphenyl)pyrimidin-4-yl]naphthalen-1-yl]-1,3,4-oxadiazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C44H28N4O
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