You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[4-[(Z,1E)-1-[4-[(1Z)-buta-1,3-dienyl]-3-methyl-2-methylidenecyclopent-3-en-1-ylidene]but-2-enyl]phenyl]-7,7-diphenyl-N-(4-phenylphenyl)fluoreno[5,6-b][1]benzofuran-9-amine into its molecular formula.
user
C64H49NO
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