You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (1R,9S,10R,11S,14S,18S,24S)-4,6,10,23-tetramethyl-4-azoniahexacyclo[12.11.0.02,11.04,9.015,24.018,23]pentacosane-17,20-diol .
user
C28H48NO2+
assistant