You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-[2-[4-methyl-3-(2-methylphenyl)phenyl]carbazol-9-yl]-N'-(1-phenylethenyl)-N-(1-phenylethylidene)benzenecarboximidamide into its molecular formula.
user
C49H39N3
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