You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 4-N-(furan-2-ylmethyl)-2-(4-methylpiperazin-4-ium-1-yl)-5-nitropyrimidine-4,6-diamine using the IUPAC nomenclature.
user
C14H20N7O3+
assistant