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 potassium;(3aR,7aR)-7a-[3-(methoxymethoxy)propyl]-2,3,3,6-tetramethyl-4,7-dihydro-3aH-inden-5-olate .
user
C18H29KO3
assistant