You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name ethyl (2R)-3-(3,4-dihydroxyphenyl)-2-[(E)-3-(2,3,10-trihydroxybenzo[b][1]benzoxepin-7-yl)prop-2-enoyl]oxypropanoate into its molecular formula.
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C28H24O10
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