You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [(2S,3R,4S,5R,6S)-4,5-dihydroxy-2-methyl-6-[(7,13,14-trihydroxy-3,10-dioxo-2,9-dioxatetracyclo[6.6.2.04,16.011,15]hexadeca-1(15),4,6,8(16),11,13-hexaen-6-yl)oxy]oxan-3-yl] acetate into its molecular formula.
user
C22H18O13
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