You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name methane;[9-methyl-7-[4-(prop-2-enoyloxymethoxycarbonyloxy)benzoyl]oxy-9H-fluoren-2-yl] 4-(prop-2-enoyloxymethoxycarbonyloxy)benzoate;[3-methyl-4-[4-(prop-2-enoyloxymethoxycarbonyloxy)benzoyl]oxyphenyl] 4-(prop-2-enoyloxymethoxycarbonyloxy)benzoate into its molecular formula.
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C77H84O28
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