You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-hydroxy-4-[5-hydroxy-7-oxo-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-[[(E)-3-(4-hydroxyphenyl)prop-2-enoyl]oxymethyl]oxan-2-yl]oxychromen-2-yl]phenolate into its molecular formula.
user
C30H25O13-
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