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 7-(4-cycloheptylphenyl)-N-(2-ethylphenyl)-2-propyl-2H-1,4-benzoxazin-4-ium-4-carboxamide using the IUPAC nomenclature.
user
C33H39N2O2+
assistant