Text this: Crystal structure and Hirshfeld surface analysis of 1,3,3,4,4,5,5-heptafluoro-2-(3-[(2,3,3,4,4,5,5-heptafluorocyclopenten-1-yl)oxy]-2-{[(2,3,3,4,4,5,5-heptafluorocyclopenten-1-yl)oxy]methyl}-2-methylpropoxy)cyclopentene