You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-[2-[(2S)-2-[3-(3,5-diethoxyphenyl)propyl]spiro[2.5]octan-6-yl]ethyl]-N,N-dimethylquinazolin-4-amine ?
user
C33H45N3O2
assistant