You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
19-[(dimethylamino)methyl]-17-methoxy-5,7-dioxa-13-azoniapentacyclo[11.8.0.02,10.04,8.015,20]henicosa-1(13),2,4(8),9,14,16,18,20-octaen-16-ol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H23N2O4+
assistant