You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Please write the molecular formula of the molecule hexamethyl benzene-1,2,3,4,5,6-hexacarboxylate;N-methyl-N-[2,3,4,5,6-pentakis[acetyl(methyl)amino]cyclohexyl]acetamide;1-methyl-2-[2,3,4,5,6-pentakis(2-methylphenyl)cyclohexyl]benzene .
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C90H108N6O18
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