You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E,3Z)-3-[(E)-1-hydroxy-3-(4-hydroxy-3-methoxyphenyl)prop-2-enylidene]-6-(4-hydroxy-3-methoxyphenyl)hex-5-ene-2,4-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H22O7
assistant