You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by [2,5-dimethyl-5-(octadecylcarbamoyloxymethyl)oxolan-2-yl]methyl N-acetyl-N-[(1-ethylpyridin-1-ium-2-yl)methyl]carbamate;chloride ?
user
C38H66ClN3O6
assistant