You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-carbazol-9-yl-6-[[(3-carbazol-9-yl-2-hydroxy-5-methylphenyl)methyl-[2-[di(propan-2-yl)amino]ethyl]amino]methyl]-4-methylphenol into molecular formula.
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C48H50N4O2
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