You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 4-[(2-chloro-6-fluorophenyl)methyl]-N-cyclooctyl-1,4-diazepan-4-ium-1-carbothioamide ?
user
C21H32ClFN3S+
assistant