You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-[4-[[2-(4-chlorophenyl)phenyl]methyl]piperazin-1-yl]-N-[4-[3-(4-methylpiperazin-1-yl)propylamino]-3-nitrophenyl]sulfonyl-2-phenoxybenzamide into molecular formula.
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C44H48ClN7O6S
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