You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-(1,1-dimethylpyrrolidin-1-ium-2-yl)ethyl]-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-propoxybenzenesulfonamide;methane;3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-5-yl)-N-[2-(1-methylpyrrolidin-2-yl)ethyl]-4-propoxybenzenesulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C52H79N12O8S2+
assistant