You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methyl-4-[4-(5-methyl-2,6-diphenylpyrimidin-4-yl)phenyl]-[1]benzothiolo[3,2-d]pyrimidine is the IUPAC name of a molecule. Please give its molecular formula.
user
C34H24N4S
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