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 4,23-dimethyl-6,21-bis[2-[3-(3-methylimidazol-3-ium-1-yl)propyl]phenyl]-2,25-dioxa-10,17-diazoniahexacyclo[15.8.0.01,10.03,8.011,16.019,24]pentacosa-3(8),4,6,9,11,13,15,17,19(24),20,22-undecaene;methane .
user
C50H52N6O2+4
assistant