You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
8-[4-[3-[4-(4-cyclohexa-1,5-dien-1-ylcyclohexa-2,4-dien-1-yl)-6-(4-phenylphenyl)pyrimidin-2-yl]cyclohexa-1,5-dien-1-yl]phenyl]-9,11,17-triazatetracyclo[8.7.0.02,7.011,16]heptadeca-1(10),2,4,6,8,12,14,16-octaene is the IUPAC name of a molecule. Please give its molecular formula.
user
C54H41N5
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