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 17-(cyclopropylmethyl)-4-methoxyspiro[17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-triene-13,5'-imidazolidine]-2',4'-dione ?
user
C23H29N3O3
assistant