You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
sodium;[(2S)-5-(furan-3-yl)-2-[2-(1,2,5,5-tetramethyl-2,3,4,6,7,8-hexahydronaphthalen-1-yl)ethyl]pentyl] sulfate is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H39NaO5S
assistant