You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named dipotassium;6,7-dichloro-2-cyclopentyl-2-methyl-5-[4-(2H-tetrazol-5-yl)butoxy]-3H-inden-1-one;carbonate is given. What is its corresponding molecular formula?
user
C21H24Cl2K2N4O5
assistant