You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [(3S,4R,5S)-5-[5,7-dihydroxy-2-(4-hydroxyphenyl)-4-oxochromen-3-yl]oxy-3,4-dihydroxyoxolan-3-yl]methyl (E)-3-(4-hydroxy-3-methoxyphenyl)prop-2-enoate .
user
C30H26O13
assistant