You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-bromo-2-[(3R)-5-(4-bromophenyl)-3-(1,3-diphenylpyrazol-4-yl)-3,4-dihydropyrazol-2-yl]-4-phenylquinazoline is the IUPAC name of a molecule. Please give its molecular formula.
user
C38H26Br2N6
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