You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (2R)-N-[(5-cyclohexylpyridin-1-ium-2-yl)methyl]-N-(1-oxo-2H-phthalazin-6-yl)-1-(2,3,4,5,6-pentafluorophenyl)sulfonylazetidine-2-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C30H27F5N5O4S+
assistant