You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [2-(acetyloxymethyl)-2-methyl-4-(4-octanoylphenyl)butyl] acetate;[2-(acetyloxymethyl)-2-methyl-4-(4-octylphenyl)butyl] acetate;methane into its molecular formula.
user
C49H78O9
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