You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[2-(4-benzhydrylpiperazin-4-ium-1-yl)-2-oxoethyl]-N-(2-fluorophenyl)methanesulfonamide into its molecular formula.
user
C26H29FN3O3S+
assistant