You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-N-[2-(dimethylamino)ethyl]-3-N-ethyl-4-methoxy-1-N,4-dimethylpentane-1,3-diamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H33N3O
assistant