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-but-1-en-2-yloxy-3-(4-methylphenoxy)propyl] prop-2-enoate;2,7-dimethoxy-9-methyl-9H-fluorene;formaldehyde;[3-(4-formylphenoxy)-2-prop-2-enoyloxypropyl] prop-2-enoate into molecular formula.
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C50H56O13
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