You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 7-methyl-8-[1-methyl-4,5-bis(trideuteriomethyl)pyridin-1-ium-2-yl]-14-(1,1,2,2,2-pentadeuterioethyl)-14-(2,2,2-trideuterioethyl)-10-oxa-12-azapentacyclo[11.7.0.03,11.04,9.015,20]icosa-1(13),2,4(9),5,7,11,15,17,19-nonaene into molecular formula.
user
C31H31N2O+
assistant