You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(1R,2S)-2-[[3-[(1R)-1-acetyloxy-3-(1,3-dioxoisoindol-2-yl)propyl]phenoxy]methyl]cyclohexyl] acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H31NO7
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