You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1,3-dimethylpyrazole-4-carbaldehyde;ethane;(5S)-2-ethyl-6,8-dimethoxy-5-methylspiro[5,10-dihydroimidazo[1,5-b][2]benzazepine-3,4'-piperidine]-1-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C29H43N5O4
assistant